One of the basic motivations behind the Minimum Spanning Tree Problem is the goal of designing a spanning network for a set of nodes with minimum total cost. Here we explore another type of objective: designing a spanning network for which the most expensive edge is as cheap as possible. Specifically, let G = (V,E) be a connected graph with n vertices, m edges, and positive edge costs that you may assume are all distinct. Let T = (V, E′) be a spanning tree of G; we define the bottleneck edge of T to be the edge of T with the greatest cost. A spanning tree T of G is a minimum-bottleneck spanning tree (MBST) if there is no spanning tree T′ of G with a cheaper bottleneck edge.
(a) Show that every minimum spanning tree of G is also a minimum-bottleneck tree of G (it’s easiest to prove by contradiction IMO).
(b) The opposite is not always true. Show an example of a minimum-bottleneck tree of G which is not a minimum spanning tree of G.
Answers
The Minimum Spanning Tree Problem involves designing a spanning network with the lowest total cost. In contrast, the goal of a Minimum-Bottleneck Spanning Tree (MBST) is to create a spanning network where the most expensive edge is as cheap as possible.
What is the difference between a Minimum Spanning Tree (MST) and a Minimum-Bottleneck Spanning Tree (MBST)?The Minimum Spanning Tree Problem involves designing a spanning network with the lowest total cost. In contrast, the goal of a Minimum-Bottleneck Spanning Tree (MBST) is to create a spanning network where the most expensive edge is as cheap as possible.Consider a connected graph G = (V, E) with n vertices, m edges, and distinct positive edge costs.
(a) To prove that every minimum spanning tree of G is also an MBST, we can assume the opposite and proceed by contradiction. Suppose there exists a minimum spanning tree T' of G that is not an MBST. This means there exists another spanning tree T with a cheaper bottleneck edge than T'.
However, since T' is a minimum spanning tree, it has the lowest total cost among all spanning trees. This contradicts the assumption that T has a cheaper bottleneck edge, leading to a contradiction. Therefore, every minimum spanning tree of G is also an MBST.
(b) On the other hand, the opposite is not always true, and there can exist an MBST that is not a minimum spanning tree. Let's consider an example to illustrate this. Suppose we have a graph G with three vertices, A, B, and C, connected by edges AB, AC, and BC. The edge costs are as follows: AB = 5, AC = 4, and BC = 3.
In this case, the minimum spanning tree of G would be the tree with edges AC and BC, having a total cost of 7. However, the MBST would be the tree with edges AB and BC, which has a bottleneck edge of 5. Although this MBST is not the minimum spanning tree, it satisfies the criterion of having the cheapest possible bottleneck edge.
In summary, while every minimum spanning tree is also an MBST, the reverse is not always true, as demonstrated by the example where an MBST is not a minimum spanning tree.
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Related Questions
- What information do you obtain from the double digest XhoI/AlwNI? What is your expectation if the plasmid is a reclosed vector without an insert? What is your expectation if your plasmid has an insert in the correct orientation (how many bands, what are their sizes)? - What is your expectation if your plasmid has an insert in the incorrect orientation (how many bands, what are their sizes)?
Answers
Plasmids are used as vectors in recombination technology to transfer genes. Plasmids or the genes can be double digested by two restriction endonucleases simultaneously.
What are restriction endonucleases?Restriction endonucleases are the enzymes that identify the precise DNA sequence to cleave them from the rest of the sequence.
If a plasmid is reclosed vector without an insert then only one band of size 2964 bp will be seen. A plasmid that has correct orientation will have two bands of sizes 1570 and 2100 bp.
If the plasmid has a sequence in incorrect orientation then will also result in two bands but of different sizes like 2740 bp and 940 bp.
Therefore, plasmids can be used as vectors.
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Omar wants to use the new hard drive as his primary boot device, what is the next step you should perform?
Answers
Since Omar want the new hard drive to be used as a primary boot device, the next step to be performed is installing Windows on the new hard drive.
What is a hard-disk drive?A hard-disk drive can be defined as an electro-mechanical, non-volatile data storage device that is made up of magnetic disks (platters) that rotates at high speed.
In Computer technology, all hard-disk drives are commonly installed on computers and other digital service for the storage of files and to enable the booting of a computer through its operating system (OS).
In this context, we can infer and logically deduce that if Omar want the new hard drive to be used as a primary boot device, the next step to be performed is installing Windows on the new hard drive.
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I CANT DO SKIN MODS ON BRAWLHALLA RIGHT!!!! IM SO MADDDDDDDDDDD
Answers
I'm better then u in brawhlla
What was one effect of better printing methods during the Ming Dynasty? Updated trade routes A new merchant class Increased literacy rates More codes and laws
Answers
The one effect of better printing methods during the Ming Dynasty For millennia its mastery made China the only withinside the international capable of produce copies of texts in splendid numbers and so construct the biggest repository of books.
What have been 3 consequences of the printing revolution?Printed books have become extra conveniently to be had due to the fact they have been less difficult to supply and inexpensive to make. More humans have been capable of learn how to study due to the fact they may get books to study.
As in Europe centuries later, the advent of printing in China dramatically diminished the fee of books, for that reason assisting the unfold of literacy. Inexpensive books additionally gave a lift to the improvement of drama and different kinds of famous tradition. Freed from time-ingesting hand copying, the unfold of tradition and know-how accelerated, ushering international civilization onto a brand new stage.Read more about the Ming Dynasty:
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Answer:
c
Explanation:
A good technical writer will make one document for all audiences, no matter what age or ability. True or False? (I’ll give the crown)
Answers
Answer:
It is True
Explanation:
A writer wants to make there readers happy so they can get rich so..... I think it is true.
they brats so times.
Hope this helps
yo need help can someone plz help
You would like to search for information about storms but not tornadoes. What type of search strategy may be useful?
entering keywords into many different search engines
a Boolean search
a wild-card search
searching for synonyms
Answers
A group of users is installing an application on a laptop computer and encounters a problem. No
documentation was attached while downloading the application; only the installation file is
available. They believe that they have done something wrong. What is the first thing that they
should look for a possible solution to their problem? (1 point)
O runbook
O README
O comments
O frequently asked questions
Answers
Only the installation file is provided if no documentation was downloaded with the application. They ought to search the commonly asked questions for a potential answer.
How to repair Your computer's linked device and Windows have a communication issue?This error can be brought on by failing hardware, such as a hard disc or CD-ROM drive, or by unplugging a removable storage device such an external USB drive while it is in use. Restart your computer after making sure all removable storage is securely attached.
What safety measures must to be taken when utilizing various computer software applications?The following safety measures should be followed when utilizing various computer software types:
1. Avoid utilizing too many software programs at once when using them. Your computer will slow down if you don't.
2. Keep the data in tabular form while using Excel. Likewise, insert the information in order.
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Hi, can someone please help me with this? I've been having a lot of trouble with it.
The assignment
Your job in this assignment is to write a program that takes a message as a string and reduces the number of characters it uses in two different set ways. The first thing your program will do is ask the user to type a message which will be stored as a String. The String entered should be immediately converted to lowercase as this will make processing much easier. You will then apply two different algorithms to shorten the data contained within the String.
Algorithm 1
This algorithm creates a string from the message in which every vowel (a, e, i, o, and u) is removed unless the vowel is at the very start of a word (i.e., it is preceded by a space or is the first letter of the message). Every repeated non-vowel character is also removed from the new string (i.e., if a character appears several times in a row it should only appear once at that location). So for example the string "I will arrive in Mississippi really soon" becomes "i wl arv in mssp rly sn".
After applying this algorithm, your program should output the shortened message, the number of vowels removed, the number of repeated non-vowel characters removed, and how much shorter the shortened message is than the original message. The exact format in which the program should print this information is shown in the sample runs.
Algorithm 2
This algorithm creates a string by taking each unique character in the message in the order they first appear and putting that letter and the number of times it appears in the original message into the shortened string. Your algorithm should ignore any spaces in the message, and any characters which it has already put into the shortened string. For example, the string "I will arrive in Mississippi really soon" becomes "8i1w4l2a3r1v2e2n1m5s2p1y2o".
After applying this algorithm, your program should output the shortened message, the number of different characters appearing, and how much shorter the shortened message is than the original message. The exact format in which the program should print this information is shown in the sample runs.
Sample Run 1
Type the message to be shortened
This message could be a little shorter
Algorithm 1
Vowels removed: 11
Repeats removed: 2
Algorithm 1 message: ths msg cld b a ltl shrtr
Algorithm 1 characters saved: 13
Algorithm 2
Unique characters found: 15
Algorithm 2 message: 4t2h2i4s1m5e2a1g1c2o1u3l1d1b2r
Algorithm 2 characters saved: 8
Sample Run 2
Type the message to be shortened
I will arrive in Mississippi really soon
Algorithm 1
Vowels removed: 11
Repeats removed: 6
Algorithm 1 message: i wl arv in mssp rly sn
Algorithm 1 characters saved: 17
Algorithm 2
Unique characters found: 13
Algorithm 2 message: 8i1w4l2a3r1v2e2n1m5s2p1y2o
Algorithm 2 characters saved: 14
Milestones
As you work on this assignment, you can use the milestones below to inform your development process:
Milestone 1: Set up a program that takes a string input and converts all the letters to lowercase. Start implementing algorithm 1: create a counter variable and iterate through the characters of the String, incrementing this each time a vowel is encountered which is not preceded by a space or is at the start of the String. So at the end of the loop this counts the number of vowels that are not at the start of a word.
Milestone 2: Add further conditions (using else if) in your loop to count any non-vowel characters which appear immediately after the same character. Make a new empty String to hold the shortened message at the start of the code, then add a final else condition in the loop to add all characters which were not vowels or repeated letters to this String. Then print the statements for algorithm 1 using your counts and shortened message.
Milestone 3: Start implementing algorithm 2 by writing code that iterates through the String and checks that each character is not a space and has not already appeared in the word before that point. You will need to use nested loops - an outer loop to iterate through the String characters and an inner loop that looks through the previous characters up to that point - and a flag variable to record if a letter was found in the inner loop. Use a counter variable to count all such "unique" characters in the String.
Milestone 4: Add a second inner loop inside the outer loop from the previous which counts all appearances of a character that passes the tests from milestone 3. Add the character and the number of times it appears to another shortened message String (which should start as blank String). Finally, print the statements for algorithm 2 using your unique character count and shortened message.
Answers
Answer:
Scanner scan = new Scanner(System.in);
System.out.println("Type the message to be shortened");
String msg = scan.nextLine();
System.out.println();
msg = msg.toLowerCase();
String newStr = "";
System.out.println("Algorithm 1");
int vowels = 0;
int repeats = 0;
for(int i = 0; i < msg.length(); i++)
{
if((msg.substring(i, i +1).equals("a") || msg.substring(i, i+1).equals("e") || msg.substring(i, i +1).equals("i") || msg.substring(i, i+1).equals("o") || msg.substring(i, i +1).equals("u")))
{
if(i != 0 && !msg.substring(i -1, i).equals(" "))
{
vowels++;
}
else
newStr += msg.substring(i, i +1);
}
else if(i != 0 && msg.substring(i, i +1).equals(msg.substring(i -1, i)))
{
repeats++;
}
else
{
newStr += msg.substring(i, i +1);
}
}
System.out.println("\nAlgorithm 1");
System.out.println("Vowels removed: " + vowels);
System.out.println("Repeats removed: " + repeats);
System.out.println("Algorithm 1 message: " + newStr);
System.out.println("Algorithm 1 characters saved: " + (vowels + repeats));
algorithm2(msg);
}
public static void algorithm2(String msg)
{
String alg2Msg = "";
int uniqueLetters = 0;
// Iterate through each letter in msg
for(int i=0; i < msg.length(); i++)
{
String ltr = msg.substring(i,i+1);
// Only process if this character is not a space
if(!ltr.equals(" "))
{
/* Check whether this character has already appeared by
* iterating through characters from start up to the current
* letter and using a boolean flag variable.
*/
boolean alreadyUsed = false;
for(int j=0; j<i; j++)
{
if(msg.substring(j,j+1).equals(ltr))
{
alreadyUsed = true;
}
}
/* If this character hasn't already appeared,
* iterate through the rest of the characters
* and count how many times it appears.
*/
if(!alreadyUsed)
{
uniqueLetters++;
int count = 0;
for(int j=i; j<msg.length(); j++)
{
if(msg.substring(j,j+1).equals(ltr))
{
count++;
}
}
alg2Msg += count + ltr;
}
}
} //end for loop
System.out.println("\nAlgorithm 2");
System.out.println("Unique characters found: " + uniqueLetters);
System.out.println("Algorithm 2 message: " + alg2Msg);
System.out.println("Algorithm 2 characters saved: " + (msg.length() - alg2Msg.length()));
} //end algorithm2
}
Explanation:
Here you go!
A common business practice is to include a worksheet named Documentation that contains a description of the workbook, the name of the person who prepared the workbook, and the date it was created. _________________________
Answers
A common business practice is to include a worksheet named Documentation that contains a description of the workbook, the name of the person who prepared the workbook, and the date it was created: True.
What is a worksheet?A worksheet is also known as a spreadsheet and it can be defined as a type of document which comprises cells that are arranged in a tabulated format (rows and columns).
In Computer technology, some of the common business practice include the following:
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What is the 3 tier architecture made of?
Answers
Answer: The 3 tier architecture is made up of three layers: the presentation layer (or user interface layer), the business logic layer (or application layer), and the data access layer (or data layer). The presentation layer is responsible for displaying data and communicating with the user. The business logic layer contains the business rules and logic that drive the application. Finally, the data access layer is responsible for connecting to the database and executing database queries.
Explanation:
List three ideas for checking in with your progress and recognizing completion on your actions.
Answers
One idea for checking in with your progress and recognizing completion on your action is to set specific milestones or targets along the way and regularly evaluate your progress towards them.
How can you effectively track your progress and acknowledge completion of your action?To effectively track your progress and acknowledge completion of your action, it is important to establish clear milestones or targets that can serve as checkpoints. Break down your overall goal into smaller, measurable objectives that can be achieved incrementally.
Regularly assess your progress by comparing your actual achievements against these milestones. This will provide you with a tangible way to track your advancement and ensure that you stay on track. Once you reach a milestone or successfully complete a specific objective, take the time to acknowledge and celebrate your achievement.
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Exercise Consider the following information about a university database: Profesousa have an SSN, a name, an age, a rank, and a research specialty, Projects have a project number, a sponsor name (e.g., NSF), a starting date, an ending date, and a budget Graduate students have an SSN, a name, an age, and a degree program (e.g., M.S or Ph.D.). Each project is m anaged by one professor(known as the project's principal inve- tigator). Each project is worked on by one or more professors (known as the project's co-investigators) Professors can manage and/or work on multiple projects. project's research assistants) Each project is worked on by one or more graduate students (known as the When graduate students work on a project, a professor must supervise their work on the project. Graduate students can work on multiple projects, in which case they will have a (potentially different) supervisor for each one. Departments have a department number, a department name, and a main office. Departments have a professor (known as the chairman) who runs the department. Professors work in one or more departments, and for each department that they work in, a time percentage is associated with their job. Graduate students have one major department in which they are working on their degree. Each graduate student has another, more senior graduate student (known as a student advisor) who advises him or her on what courses to take. Design and draw an ER diagram that captures the information about the university Use only the basic ER model here; that is, entities, relationships, and attributes. Be sure to indicate any key and participation constraints.
Answers
The ER diagram for the university database can be represented as follows:
```
+------------------+ +------------------+
| Professor | | Department |
+------------------+ +------------------+
| SSN (Key) | | DepartmentNumber |
| Name | | DepartmentName |
| Age | | MainOffice |
| Rank | +------------------+
| ResearchSpecialty|
+------------------+
| ^
| |
| |
| +------------------+
| | Chairs |
| +------------------+
| | Professor_SSN |
| | DepartmentNumber |
| +------------------+
|
+-------------------+
| Project |
+-------------------+
| ProjectNumber (Key)|
| SponsorName |
| StartingDate |
| EndingDate |
| Budget |
| PI_Professor_SSN |
+-------------------+
| ^
| |
| |
| +---------------------+
| | Co_Investigators |
| +---------------------+
| | ProjectNumber |
| | Professor_SSN |
| +---------------------+
|
+-------------------+
| GraduateStudent |
+-------------------+
| SSN (Key) |
| Name |
| Age |
| DegreeProgram |
| Advisor_StudentSSN|
+-------------------+
| ^
| |
| |
| +--------------------+
| | Works_On |
| +--------------------+
| | Student_SSN |
| | ProjectNumber |
| | Professor_SSN |
| +--------------------+
|
+-------------------+
| Department |
+-------------------+
| DepartmentNumber |
| DepartmentName |
| MainOffice |
| Chairman_ProfessorSSN|
+-------------------+
```
The ER diagram includes the following entities:
1. Professor: Represents professors with attributes like SSN (as a key), Name, Age, Rank, and Research Specialty.
2. Department: Represents departments with attributes like Department Number (as a key), Department Name, and Main Office.
3. Chairs: Represents the relationship between professors and departments. It includes attributes Professor_ SSN and Department Number.
4. Project: Represents projects with attributes like Project Number (as a key), Sponsor Name, Starting Date, Ending Date, Budget, and PI_ Professor_ SSN (referring to the Principal Investigator Professor).
5. Co_ Investigators: Represents the relationship between projects and professors who are co-investigators. It includes attributes Project Number and Professor_ SSN.
6. Graduate Student: Represents graduate students with attributes like SSN (as a key), Name, Age, Degree Program, and Advisor _ Student SSN (referring to the student advisor).
7. Works_ On: Represents the relationship between graduate students, projects, and professors. It includes attributes Student_ SSN, Project Number, and Professor_ SSN.
8. Department: Represents departments with attributes like Department Number (as a key), Department Name, Main Office, and Chairman_ Professor SSN (referring to the chairman of the department).
The relationships between entities are indicated by lines connecting the entities. Participation constraints are not explicitly depicted in this basic ER diagram representation.
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you must regularly do this on your computer to prevent a virus from infecting it
Answers
Answer; Install Anti-Virus/Malware Software. ...
Keep Your Anti-Virus Software Up to Date. ...
Run Regularly Scheduled Scans with Your Anti-Virus Software. ...
Keep Your Operating System Current. ...
Secure Your Network. ...
Think Before You Click.
Explanation:
i took the test
Answer:
Clean out unneeded folders, scan your pc with an anti virus, use a vpn, and download from trusted websites
Explanation:
cual es el procedimientos para asistir en el transporte publico a personas discapacitadas
Answers
Answer:
Una discapacidad física o motora en una o más partes del cuerpo obstaculiza las acciones y / o movimientos de la persona con discapacidad. La discapacidad puede surgir porque las partes del cuerpo no han crecido completamente o están dañadas (anomalías físicas) o porque las funciones físicas están alteradas (anomalías funcionales).
En la mayoría de los casos, se proporciona una ayuda a las personas con discapacidades físicas graves para que puedan desenvolverse más fácilmente en la sociedad. Alguien con una discapacidad motora severa en las piernas a menudo usa una silla de ruedas. Las personas con una discapacidad motora de las manos (pérdida de la motricidad fina) o de los brazos pueden compensar esto con un manipulador o ayudas especializadas en tareas, como un dispositivo para comer o un dispositivo para girar las hojas.
Así, todos estos elementos deben ser posibles de ser insertados en los medios de transporte público como forma de ayudar a estas personas a trasladarse por estos medios, es decir, los autobuses, trenes, etc., deben estar adaptados para poder recibir allí a pasajeros en sillas de ruedas o con necesidades motoras especiales.
A customer is building a high-end gaming PC and is seeking an appropriate power supply unit. Which of the following featuresets of a power supply should be installed? (Select THREE).A. Mini-ITX form factorB. High number of connectorsC. 24-pin main connectorD. 20-pin main connectorE. 350-450 watts of powerF. Dual 12v rails
Answers
The three featuresets of a power supply should be installed by the customer who is high-end gaming PC are High number of connectors, 24-pin main connector, and the Dual 12v rails.
What is the gaming PC?Gaming PCs are distinguished from standard desktop computers by the use of high-performance video cards, high-core-count central processor units with raw horsepower, and higher-performance RAM.
Other demanding jobs, such as video editing, are also performed on gaming PCs. A dedicated graphics card will be found in the majority of gaming PCs.
This comes with increased resources and processing power that will be dedicated solely to visual quality on the machine. This has a clear influence on video game quality, giving better frame rates with significantly less graphical latency.
Therefore, High number of connections, 24-pin main connector, and Dual 12v rails are the three feature sets of a power supply that should be placed by the client who is building a high-end gaming PC. So, options B, C and F are correct.
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Define the term editing
Answers
Answer:
editing is a word file mean making changes in the text contain is a file. or a word file is one of the most basic ms office word operation.
how many local variable declarations, excluding parameters, are required for the method/function (i.e., do not consider themain program)?
Answers
The required local variable declaration for function is 1.
What is variable?Variable in programming is a value that can change over time depending on conditions, statement, or function in program.
In the given pseudocode is consist two part, the main program and the function of FutureValue. There are only three variables in the main program called global variable, namely amount, newAmount, and interestRate.
Local variable are variables that only exist in one function, not in the main program. In the function FutureValue only declare one variable which is finalAmount, excluding parameters that been used.
You question is incomplete, but most probably your full question was (image attached)
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Critical Thinking Questions
You learned that there are many different programming languages, just like there are many different spoken languages throughout the world. And programming languages have certain syntax, or rules, they have to follow in order for the computer to understand the commands. Give one example of syntax for one of the programming languages listed in the unit. Then give two examples of syntax from a language you know. Describe what will happen if you do not follow these rules in your language.
Answers
Answer:
One example of syntax in Logo is “[”. Two examples of Java are “;” and “{“or “}”. If you don’t use these parts of syntax then you could get a Syntax error, this will make you have to stop the code and debug.
Explanation:
Answer:
I am giving this answer so the other person can get brainliest
Explanation:
Question # 2 Long Text (essay) Explain why E-mail B is inappropriate for the workplace and revise it to be appropriate.
Answers
Due to its informal tone and unsuitable language, Email B is inappropriate for usage at work. Communication that is respectful and straightforward is crucial in a work setting.
What constitutes improper email use at work?Keep it businesslike. Never express rage, use foul language, or make racial or gendered insults. Remember that sending offensive text or images via email could come back to haunt you. Even if they are intended as a joke, avoid sending or forwarding emails that contain libellous, defamatory, insulting, racist, or obscene remarks.
What does improper communication at work mean?One manifestation of the issue is the practise of communicating with coworkers solely via email and memos and never in person. deliberately ignoring a task or working.
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A node in a binary tree has Select one: a. zero or two children b. exactly two children cat most two children d. at least two children The level of the root node in a tree of height his Select one: ah+1 b. 1 ch-1 What is the chromatic number of a complete binary tree of height 67 Answer. If we remove an abitrary edge from a tree, then the resulting graph will be Select one: a. two distintres b. a tree ca cyclic graph o d several trees e. a connected graph
Answers
Answer:
two or electronic is more than 20 ton
A node in a binary tree has "at most two children".The level of the root node in a tree of height h is "1".The chromatic number of a complete binary tree of height 6 is "2".If we remove an arbitrary edge from a tree, then the resulting graph will be "a connected graph".'
What is a binary tree?A binary tree is a special type of data structure used to store data or elements in a hierarchical order. It is a non-linear data structure where each node can have at most two children. It consists of nodes and edges. The first node in a binary tree is the root node, and all other nodes are either the left or right child of that node.What is a chromatic number?A chromatic number is the minimum number of colors needed to color a graph so that no two adjacent vertices have the same color.
The chromatic number of a complete binary tree of height 6 is 2 because the tree only has one node at the last level. Therefore, we can color that node with a different color from the rest of the tree.What happens if we remove an arbitrary edge from a tree?If we remove an arbitrary edge from a tree, then the resulting graph will still be a connected graph. This is because a tree is a connected graph with no cycles, and removing an edge will not create a cycle. Therefore, the graph will still be connected.
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Consider an iteration of the AdaBoost algorithm where we have obtained classifer ht. Show that with respect to the distribution Dt+1 generated for the next iteration, ht has accuracy exactly 1/2.
Answers
In an iteration of the AdaBoost algorithm, the classifier ht has an accuracy of exactly 1/2 with respect to the distribution Dt+1 generated for the next iteration.
In AdaBoost, the distribution Dt+1 for the next iteration is updated based on the performance of the current classifier ht. Let's assume that ht has an accuracy of exactly 1/2. Since the accuracy of ht is 1/2, it means that it correctly classifies half of the training examples and misclassifies the other half. When updating the distribution for the next iteration, AdaBoost assigns higher weights to the misclassified examples so that subsequent classifiers focus more on those examples.
As a result, the distribution Dt+1 will be adjusted such that the misclassified examples by ht have higher probabilities, while the correctly classified examples have lower probabilities. This adjustment aims to ensure that the subsequent classifiers in AdaBoost pay more attention to the misclassified examples.
Therefore, with respect to the distribution Dt+1 generated for the next iteration, the classifier ht , with an accuracy of 1/2, will have an equal probability of correctly or incorrectly classifying the examples, resulting in an accuracy of exactly 1/2.
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How do i fix this? ((My computer is on))
Answers
Answer:
the picture is not clear. there could be many reasons of why this is happening. has your computer had any physical damage recently?
Answer:your computer had a Damage by u get it 101 Battery
and if u want to fix it go to laptop shop and tells him to fix this laptop
Explanation:
the purpose of using captcha is toto keep the adversary (bot) away.to train the user.to train the admin.to train the developer.router attack.database attacks.phishing.password cracking.
Answers
The purpose of using CAPTCHA is to keep the adversary (bot) away.
What is CAPTCHA?
CAPTCHA is a program that verifies whether a user is human or not. It is a simple test that is used to avoid spamming and automated hacking attempts. CAPTCHA is short for Completely Automated Public Turing Test to Tell Computers and Humans Apart. CAPTCHA has become one of the most common ways to ensure online security. The purpose of CAPTCHA is to prevent bots from accessing web applications and websites. It is typically used to protect online forms, logins, and registration pages from automated attempts to create multiple accounts or submit spam. The primary goal of CAPTCHA is to confirm that the user is human, and not a bot. This is done by presenting a challenge that can be easily solved by humans but is difficult or impossible for bots to solve. The answer to the given question is - to keep the adversary (bot) away.
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When you create a new database using --------- , the database includes prebuilt tables and forms which you can populate with data.
Access
DBMS
Template
Datasheet
Answers
you hide three worksheets in a workbook and need to unhide them. how can you accomplish this? select an answer: type the name of the hidden worksheet on the keyboard, then click unhide. right-click any visible sheet, then select which worksheet you want to unhide. right-click the button, then select which worksheet you want to unhide. click the view menu, then select unhide worksheets.
Answers
To unhide the hidden worksheets in a workbook, you can follow a simple process in Microsoft Excel.
The correct way to unhide worksheets is by right-clicking any visible sheet, then selecting which worksheet you want to unhide. Follow these steps:
Open the workbook containing the hidden worksheets.Right-click on the tab of any visible sheet at the bottom of the screen.From the context menu that appears, select "Unhide."A new dialog box will open, displaying a list of all hidden worksheets.Click on the worksheet you want to unhide and then click the "OK" button.Repeat steps 2-5 for each hidden worksheet you want to unhide.
By right-clicking any visible sheet and selecting the worksheet you want to unhide from the context menu, you can easily unhide multiple hidden worksheets in a workbook.
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when an increase in technology only improves one of the goods on the of, the ppf shifts out equally along both axes. True/False ?
Answers
True, When an increase in technology only improves one of the goods on the of, the ppf shifts out equally along both axes.
False. When an increase in technology improves the production of one good, the production possibility frontier (PPF) shifts outwards only along the axis of that good, becoming steeper for the other good. The slope of the PPF reflects the opportunity cost of producing one good in terms of the other, and if the production of one good becomes more efficient, the opportunity cost of producing it will decrease, leading to a steeper slope for the other good.
Therefore, the shape of the PPF changes and moves away from the origin in the direction of the good that has seen an improvement in technology. The new PPF represents a higher level of production efficiency, as more of both goods can be produced with the same resources. This means that the economy has increased its capacity to produce and has greater flexibility in choosing the combination of goods it wants to produce.
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Can anyone tell me what wrong with this code the instructions are "Currently, this program will add 6 and 3 together, output the math problem and output the answer. Edit this code so that a random number is generated from 1 - 10 (inclusive) for the variables a and b. Also, instead of adding the two numbers together, the edited program should multiply them, and output the proper math problem and answer. Be sure to update every line of code to reflect the changes needed." My code runs but it hasa EOF. My code is
import random
random.seed(1,10)
a = random.randint (1,10)
b = random.randint (1,10)
print ("What is: " + str(a) + " X " + str(b) + "?")
ans = int(input("Your answer: "))
if (a * b == ans):
print ("Correct!")
else:
print ("Incorrect!")
Answers
Answer:
import random
a = random.randint(1,10)
b = random.randint(1,10)
answer = a * b
print(str(b)+" * "+str(a)+" = "+str(answer))
Explanation: So I am guessing you are on Edhesive Module 2.5 Intro to cs. Sorry it took so long but hopefully this works.
For Questions 3-5, consider the following code:
stuff = []
stuff.append(1.0)
stuff.append(2.0)
stuff.append(3.0)
stuff.append(4.0)
stuff.append(5.0)
print(stuff)
What data type are the elements in stuff?
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In the above code, the elements in stuff are of type float.
What is the rationale for the above response?The elements in the stuff list are of type float, which is a numeric data type that represents real numbers with a fractional component.
The values assigned to the stuff list using the append method are all decimal numbers, which are interpreted as float values by Python. Floats are commonly used for scientific and engineering computations because they allow for precision in decimal calculations.
In this code, the print statement outputs the stuff list, which displays the five float values that were added to the list using the append method.
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Which usability factor specifies that information should be viewed and retrieved in a manner most convenient to the user?
A) Clarity
B) Organization
C) Format
D) Flexibility
Answers
Explain the expression below
volume = 3.14 * (radius ** 2) * height
Answers
Answer:
Explanation:
Cylinder base area:
A = π·R²
Cylinder volume:
V = π·R²·h
π = 3.14
R - Cylinder base radius
h - Cylinder height