Which of these best describes the training process for neural networks?
Choice 1 of 4:All learned parameters of a deep network are set randomly, and then the loss over a training set is computed. This is repeated with entirely new random samples until a set of random parameters leads to a loss below your stopping criteria.
Choice 2 of 4:Learning the best weights in a deep network is convex (like solving for the parameters of a linear SVM) so we can learn the globally optimal set of parameters for a particular loss function by gradient descent regardless of how we initialize the weights. The choice of initial weights simply affects how fast we converge.
Choice 3 of 4:All learned parameters of a deep network are randomly initialized. All operations in a deep network are differentiable, so we can use the chain rule to determine how every learned weight influences the loss over a training batch. We adjust all weights by a small amount in the direction that will decrease loss and repeat this gradient descent over random training batches until some stopping criteria is reached.
Choice 4 of 4:All learned parameters of a deep network are randomly initialized, and then they are perturbed by random amounts. If the change to a parameter decreases the loss over the training set, the change is kept. This repeats until convergence.
Answers
Choice 3 of 4 best describes the training process for neural networks.
All learned parameters of a deep network are randomly initialized. All operations in a deep network are differentiable, so we can use the chain rule to determine how every learned weight influences the loss over a training batch.
We adjust all weights by a small amount in the direction that will decrease loss and repeat this gradient descent over random training batches until some stopping criteria is reached.
This is a description of the training process for neural networks using gradient descent optimization. The process involves randomly initializing the weights of the network, calculating the loss on a training batch, and using the chain rule and gradient descent to update the weights in the direction that minimizes the loss. This process is repeated over multiple training batches until the model converges or some stopping criteria is met.
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Related Questions
The mature germ cell, either sperm (male) or ovum (female) is called a(n):
A. gamete B. zygote C. embryo D. fetus
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A gamete is a component of a growing gamete, like an ovum or sperm. Ovulation is the process through which an ovary expels a fully developed ovum.
What does the name of the female gamete mean?Both male and female blastocysts in animals are referred to as sperm and ova, respectively. Because each sperm and ova cell has one set of chromosomes, they are haploid cells. When a sperm as well as an ovum combine during fertilization, a new diploid creature is created.
Which stage of pregnancy is ideal?When an egg leaves the ovaries after ovulation, which typically occurs twelve to fourteen days before the onset of your next period, you are at your most fertile. Your chances of becoming pregnant are all at their highest at this time of year.
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Consider the composition of m-Endo agar and mFC agar. How would adding glucose to these media affect the results? Explain fully.
Answers
Adding glucose to the composition of m-Endo agar and mFC agar then it--- result fermentation process would be get disrupted and the growth of gram negative coliforms would be hindered.
The composition of m-endo agar are as followed below---
1% peptone,0.25% K2HPO4,1% lactose,0.03% fuchsine,1.25% agar,
And the composition of mFC agar are as followed bellow----
10g/L-Tyrptone,5g/L- peptone,3g/L-yeast extract,12.5g/L-lactose,5g/L ,NaCl,bile salts and aniline blue and 15g-agar
These two media which are used for isolating faecal coliform bacteria are necessary nutrients for the growth mainly lactose and peptone. Coliforms are gram negative bacteria grow in the given media by the proccess fermenting the lactose which is present in them. Now the Growth of gram positive bacteria is inhibited. But if we deliberately add glucose to them, then it will became the primary source of their growth instead of lactose. untill the entire glucose is utilised, lactose will remain untouched by the bacterial cells. Therfore, as a result fermentation process would be get disrupted and the growth of gram negative coliforms would be hindered.
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True or False: Contractions of smooth muscles are voluntary. It happens with your control.
Answers
Answer:
False
Explanation:
Smooth muscle is under autonomic nervous system control (which is something you cannot consciously control). Same thing is for cardiac muscle.
The only thing you can control is skeletal muscle like your hands and feet.
true/false. A married couple decide they wish to start a family and they really want to have a baby girl. Because of financial considerations, they decide they will have children until they have a girl or a total of 3 children. If the probability of having a boy or girl is equally likely, determine the expected number of boys.
Answers
Answer:
you said t/f but then you asked a question on the end? I’ll do my best tho lol
If it’s true of false, boys are more common than girls.
I guess that could also answer the question. Boys are more commonly birthed than girls, although I feel as if lots of times girls are first born, or maybe that’s just the people around me. Hope it helped :))
Explanation: what I’ve learned in life and from charts lol
the microscope image and model show a cell during the telophase stage of mitosis.
At the end of this stage, how will the cell be prepared to continue through the cell cycle to produce two daughter cells?
OA. The chromatin will condense into eight chromosomes.
O B. Each side of the cell will have two copies of each chromosome.
OC. The nuclear envelopes will surround and separate each chromosome.
OD. A nuclear envelope will surround each cluster of identical chromosomes.
Answers
Answer:D seems to be the most probable answer.
Explanation:
A:chromatin relaxes after cell cycle so ruled out
B:each side will have a single copy
C:nuclear envelope surrounds the whole genetic material, not individual chromosomes
At the end of the telophase stage of mitosis, a nuclear envelope will surround each cluster of identical chromosomes. Option D is correct.
During the telophase stage of mitosis, the cell undergoes certain changes in preparation for the production of two daughter cells. These changes include the following:
1. The chromatin, which is the loosely packed form of DNA, begins to condense into distinct chromosomes. This condensation allows for easier distribution of the genetic material during cell division.
2. Each side of the cell will have two copies of each chromosome. This is because during the earlier stages of mitosis, the chromosomes duplicated themselves, resulting in two identical copies of each chromosome. In telophase, these copies are segregated and will eventually be distributed to the daughter cells.
3. The nuclear envelope, which temporarily disappeared during earlier stages of mitosis, reforms around each cluster of identical chromosomes. This separation of chromosomes by nuclear envelopes ensures that the genetic material is contained within each daughter cell and prevents mixing.
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How many types of histone proteins are found in chromatin?.
Answers
Answer:
Your answer is 5
Explanation:
Five types of histones have been identified: H1 (or H5), H2A, H2B, H3 and H4. Hope this helped :)
Is celery a monocot or a dicot?
Answers
explanation: Because of the placement of its xylem and phloem tissues
Answer:
Celery is a dicot
Explanation:
Celery has a limited number of xylem and phloem, making it a dicot.
Monocots are made up of high amounts of xylem and phloem.
Type the correct answer in the box. Spell all words correctly. What must you possess before you can teach in a particular state? You must have a teaching for the state in which you will teach
Answers
_________________________________ are a group of mammals that lay eggs, but still nurse their young after hatching.
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Monotremes are not a very various crew today, and there has not been plenty fossil data recognized until instead recently.
In some ways, monotremes are very primitive for mammals because, like reptiles and birds, they lay eggs alternatively than having stay birth.
The monotremes are a group of rather specialised egg-laying predatory mammals, containing the platypus and echidnas. There are solely 5 living species of monotreme, contained within two families: Family Ornithorhynchidae: the platypus, a single species in a single genus, Ornithorhynchus anatinus.
What are the three mammals that lay eggs?These three organizations are monotremes, marsupials, and the greatest group, placental mammals.
Monotremes are mammals that lay eggs. The only monotremes that are alive these days are the spiny anteater, or echidna, and the platypus. They stay in Australia, Tasmania, and New Guinea.
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https://brainly.com/question/3584013#SPJ4Which theory is supported by scientists gathering the additional evidence of seafloor spreading and magnetism?
O Continental Drift Theory
O Mid-Atlantic Ridge Theory
O Pangea Theory
Theory of Plate Tectonics
Answers
Answer:
Mid Atlantic Ridge theory
Explanation:
I learned about this a last term.
Answer:
It is Continental Drift Teory (pretty much it is too late for me to answer)
Explanation:
I found this on microsoft and on quizllet. It is acutually correct! Hope this helps to anyone that is viewing this!!
Name the major muscles
Answers
during which phase of the cell cycle is dna copied?
Answers
Answer:
S phase
Explanation:
bones such as the vertebrae are classified as bones called____
Answers
Explanation:
I believe Irregular Bones
Brain scans indicate that consciousness arises from
a. the suprachiasmatic nucleus.
b. the amygdala.
c. the somatosensory cortex.
d. coordinated, cortex-wide activity.
Answers
Brain scans indicate that consciousness arises from coordinated, cortex-wide activity. What is consciousness?Consciousness refers to the state of being aware of and able to think, perceive, and feel one's surroundings. It's also known as wakefulness or the state of being conscious. Consequently, the right answer is option d. coordinated, cortex-wide activity.
Coordinated, cortex-wide activity refers to the synchronized and integrated functioning of multiple regions across the cerebral cortex of the brain. The cerebral cortex is the outermost layer of the brain and plays a crucial role in higher cognitive functions, such as perception, attention, memory, and decision-making consciousness.
What is the suprachiasmatic nucleus? The suprachiasmatic nucleus (SCN) is a tiny region of the brain's hypothalamus. The SCN is in charge of controlling the body's circadian rhythms, which are the biological processes that repeat themselves over a 24-hour period.
What is the amygdala?The amygdala is a small, almond-shaped group of nuclei that is part of the limbic system in the brain. It's linked to emotional reactions and the processing of memory.
What is the somatosensory cortex? The somatosensory cortex, also known as the parietal cortex, is a portion of the brain that is responsible for processing sensory information from the skin, muscles, and joints in the body's extremities. It's essential for spatial awareness and navigation.
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A, Glucose turns into pyruvic acid. Energy and O 2 enter the cell. B, Oxygen and energy in the cell turn into H 2 O. C, Mitochondria in the cell and C O 2 exits the cell.
Label the main steps in the cellular respiration model.
A:
B:
C:
Answers
The steps in cellular respiration are ordered as follows:
A. Glucose turns into pyruvic acid.B. Energy and oxygen, O₂ enter the cell.C. In the Mitochondria, oxygen, O₂, and energy in the cell turn into water, and H₂O and CO₂ exit the cell.What is cellular respiration?Cellular respiration is the process by which large organic food molecules are broken down to produce energy in the form of ATP for the body.
Cellular respiration occurs in two ways:
Aerobic respiration - this occurs in the presence of oxygen and results in a large amount of ATP produced.Anaerobic respiration - occurs in the absence of oxygen and produces fewer ATP molecules.Learn more about cellular respiration at: https://brainly.com/question/425991
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Answer:a c a
Explanation:
Lysosomes are responsible for digestion and waste disposal in:
Tree cells
Flower petals
Animal cells
Plant and animal cells
Answers
Answer:
Plant and animal cells.
Explanation:
Found in every eukaryotic cell.
Answer:
plant and animal cell
Explanation:
Lysosome is a key factor present inside a cellIt literally works as a digestive element and then a dustbin for wastes of cell.the amino acids in the original partial sequence (n-term-...p-i-e...-c-term) have little to no impact on protein structure and function. however the amino acid sequence near the c-terminal end of the protein is required for normal function. any amino acid changes in this region of the protein will result in a nonfunctional protein.
Answers
In the primary structure of proteins, any amino acid changes in the functional region of the protein will result in a nonfunctional protein.
How does amino acid sequence affect the function of a protein?Proteins are polymers made up of amino acid monomer units.
The sequence of amino acids in a protein describes the primary structure of a protein.
Proteins are molecules whose functions depend on their structures.
There are four levels of structure in a protein molecule:
primary structuresecondary structuretertiary structure andquarternary structureThe most important structure of a protein is the primary structure. Thus, any change in the sequence of amino acids especially on the active site of the protein will affect the protein function.
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Without mitochondria, RBCs are relatively inefficient in terms of energy production. However, there is an advantage to RBC function. What is this advantage
Answers
Without mitochondria, RBCs are relatively inefficient in terms of energy production. However, there is an advantage to RBC function.
The clear and brief answer to the question is that RBCs can transport oxygen more efficiently and in a more rapid way. They do not use the oxygen themselves so that they can easily transport it to other parts of the body. This means that RBCs can function at a high level without mitochondria because they do not need to produce energy for themselves. Instead, they focus on transporting oxygen to where it is needed most.
The advantage of not having mitochondria is that RBCs have a greater capacity to carry oxygen. The reason for this is that the absence of mitochondria leaves more space for hemoglobin, the protein in red blood cells that binds to oxygen. As a result, each RBC can carry more oxygen, making them more efficient at transporting it throughout the body. This is particularly important for tissues with high oxygen demands, such as the brain and muscles.
In conclusion, while RBCs are relatively inefficient in terms of energy production without mitochondria, they have an advantage in terms of their ability to transport oxygen.
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What is reproductive isolation?Why is it necessary for speciation to occur? Explain one way reproductive isolation might occur.
Answers
Reproductive isolation is a process in which individuals in a population are prevented from reproducing. This isolation can occur in several ways, such as a physical barrier that separated these species into two groups that will reproduce with each other and generate a new species.
Why is it necessary for speciation to occur?Speciation is an essential evolutionary process for the creation of new species. It is worth remembering that from reproductive isolation, the individuals of a population have been differentiating and evolving and in the end, there will be a different species from the initial one. Therefore, speciation is necessary for the emergence of new species.
Explain one way reproductive isolation might occur.Reproductive isolation may occur due to a geographic barrier. In this case, a population is separated by a geographic barrier such as a river, a canyon, or a mountain, thus generating subpopulations that will begin to evolve and adapt in different ways. In the end, we will have different subpopulations, but in the beginning, they were part of the same population.
This type of behavior is important to...?
Answers
Luminance response can be tested with a(n) _____. i. near-range photometer ii. telescope photometer iii. illuminance meter
Answers
Luminance response can be tested with an option(d) I or II i.e, near range photometer or telescope photometer.
The luminous intensity per unit area of light traveling in a specific direction is measured photometrically as luminance. It indicates how much light enters, exits, or is reflected from a specific area and falls within a specified solid angle.
The visual system's ability to function depends heavily on luminance and contrast. Vision is impossible without light (luminance = 0), and without contrast, we are unable to see spatial or temporal patterns. The first stage in seeing, which enables all other visual processes, is the capacity to respond to brightness.
A photometer is a tool used to gauge light's characteristics. A photometer can be used to measure a light source's brightness, color, and flux among other attributes. Photometers gather radiation released by the light source to determine the wavelengths of light and atomic emissions.
The complete question is:
Luminance response can be tested with a(n)_____.
I) near-range photometer
II) telescope photometer
III) illuminance meter
A) I only
B) II only
C) III only
D) I or II
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All mammals have a double circulatory system. Fig shows part of the human double circulatory
system.
Name the muscular wall that separates the left and right sides of the human heart. (MARK-1)
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How does capillary distention resulting from high vessel compliance affect resistance and blood flow?
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The effects of capillary distention resulting from high vessel compliance on resistance and blood flow can depend on several factors such as the
Degree of distension, The location of the capillaries, The overall health of the cardiovascular system.What effect Capillary distention resulting from high vessel compliance?Capillary distention resulting from high vessel compliance can affect resistance and blood flow in several ways:
Increased Compliance: High vessel compliance leads to an increase in the total cross-sectional area of capillaries, which results in a decrease in resistance to blood flow. This decreased resistance can increase blood flow through the capillaries.
Increased Distension: High vessel compliance also leads to increased distension of the capillaries, which can increase the permeability of the capillary walls. This increased permeability can lead to an increased exchange of fluids and nutrients between the blood and surrounding tissues.
Decreased Perfusion Pressure: Capillary distension can also result in a decrease in perfusion pressure, which is the pressure gradient that drives blood flow through the capillaries. This decrease in perfusion pressure can decrease blood flow through the capillaries.
Overall, the effects of capillary distention resulting from high vessel compliance on resistance and blood flow are complex and can depend on several factors such as the degree of distension, the location of the capillaries, and the overall health of the cardiovascular system.
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Which of the following is one of the most abundant elements in all living
things?
A. Tin
B. Titahsum
C. Silver
D. Carbon
Answers
enzyme activity can be affected by the following check all that apply
Answers
Answer:
enzyme activity is affected by many factors such as temperature, concentration and ph note that enzymes work best within a certain ph ranges
Explanation:
A Picture Says It!
18. Explain what this image represents regarding where your entire DNA
code can be found.
Answers
Answer:
This image represents that ALL EUKARYOTIC CELLS have their DNA enclosed in the NUCLEUS. The DNA helps the cell to function its activities (mainly making proteins).
The development and the function of the organisms occur due to the presence of a genetic code called DNA. The hereditary data transfers from generation and attributes the physical characters.
The nucleus can be explained with context to DNA as:
All the eukaryotic organisms have a well-defined nucleus where their genetic (DNA) code lies. The cell organelle nucleus is the main organelle of the cell that is vital for central dogma processes.The genetic code of an organism is found in the nucleus of a cell where it gets replicated and acts as a signal for cell growth, function etc.Therefore, DNA is found in the nucleus.
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define taxon ? give some example of taxon at different hierarchical level
please answe de do
Answers
Answer:
Each unit or category of classification is termed as a taxon. It represents a rank. For example, the basic level of classification is species, followed by genus, family, order, class, phylum or division, in ascending order. ... So each of these categories can be called as a taxon.
Explanation:
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Which of the following statements does NOT apply to a dissecting aneurysm of the aorta?
A. It is characterized by splitting of the muscular wall (media) of the aorta by blood.
B. It is due to a congenital weakness of the aortic wall.
C. It is due to acquired degenerative changes (cystic medial degeneration) in the aortic wall.
D. Aortic wall dissection may extend the entire length of the artery.
Answers
Dissecting an aneurysm of the aorta is not typically due to a congenital weakness of the aortic wall. It is characterized by the splitting of the muscular wall (media) of the aorta by blood.
Dissecting aneurysm occurs when blood enters the wall of the aorta, causing separation or splitting of the layers. It is due to acquired degenerative changes (cystic medial degeneration) in the aortic wall. Dissecting aneurysms are often associated with degenerative changes in the aortic wall, such as cystic medial degeneration, which weakens the structural integrity of the wall. Aortic wall dissection may extend the entire length of the artery. Dissecting aneurysms can extend along a significant portion of the aortic wall, sometimes involving the entire length of the artery. However, congenital weaknesses of the aortic wall are more commonly associated with other types of aneurysms, such as abdominal aortic aneurysms or thoracic aortic aneurysms, rather than specifically dissecting aneurysms.
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which organism has the least energy grass--> rabbit--->raccoon---> wolf
Answers
Answer:
The Wolf
Explanation:
Food chain follows a law called 10% Law.
It follows that the carnivores (secondary consumers) that feed on herbivores and detritivores and those that eat other carnivores (tertiary consumers) have the lowest amount of energy available to them.
Hence wolf has the least energy
Seed blank is when enzymes and other chemicals are activated and energy is produced to start cell division.
photosynthesis
germination
respiration
growth
Answers
Seed germination is when enzymes and other chemicals are activated and energy is produced to start cell division.
The correct option is B.
What is the germination explain?A seed, spore, or even other reproductive body sprouts after germination, usually following a period of dormancy. The procedure may be started by the following factors: moisture damage, elapse of period, cooling, warming, availability of oxygen, and light exposure.
What causes germination?When soil temperature and moisture conditions are ideal for their growth, seeds typically "wake up" and germinate. However, not all seeds have the same germination needs, therefore it's essential to know what each variety of seed needs. To germinate, seed require the right combination of temperature, water, air, and light.
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The complete question is-
Seed _____ is when enzymes and other chemicals are activated and energy is produced to start cell division.
A)Photosynthesis
B)Germination
C)Respiration
D)Growth