# Deep Learning IIT Ropar Week 3 Nptel Answers

Are you looking for the Deep Learning IIT Ropar Week 3 NPTEL Assignment Answers 2024 (July-Dec)? You’ve come to the right place! Access the most accurate and up-to-date solutions for your Week 2 assignment in the Deep Learning course offered by IIT Ropar.

## Deep Learning IIT Ropar Week 3 Nptel Assignment Answers

Session: JULY – DEC 2024

Q1. Choose the correct dimensions of W1
and a1

W1∈R6×3

W1∈R3×6

W1∈R1×6

a1∈R6×1

a1∈R1×6

a1∈R1×1

Q2. How many learnable parameters(including bias) are there in the network?

These are Deep Learning IIT Ropar Week 3 Nptel Assignment Answers

Q3.Which of the following loss functions can be used for the classification problem?
Means Squared error
Cross entropy
Both Mean Squared Error and Cross Entropy loss can be used

Q4. We have a multi-classification problem that we decide to solve by training a feedforward neural network. What activation function should we use in the output layer to get the best results?
Logistic
Step function
Softmax
linear

These are Deep Learning IIT Ropar Week 3 Nptel Assignment Answers

Q5.We have data x with the following labels y = [‘car’, ‘bus’, ‘bike’, ‘car’, ‘bus’, ‘car’, ‘bus’, ‘bike’, ‘car’]. Which of the following distribution will give the lowest cross-entropy loss with y? (Distribution is given in the following order [‘car’, ‘bus’,‘bike’])?

[0.49,0.30,0.21]

[0.44,0.33,0.22]

[0.50,0.30,0.20]

[0.44,0.39,0.19]

Q6. Which of the following statements about backpropagation is true?
It is used to compute the output of a neural network.
It is used to initialize the weights in a neural network.
It is used to optimize the weights in a neural network.
It is used to regularize the weights in a neural network.

Answer: It is used to optimize the weights in a neural network.

These are Deep Learning IIT Ropar Week 3 Nptel Assignment Answers

Q7.Given two probability distributions p and q, under what conditions is the cross entropy between them minimized?

All the values in p are lower than corresponding values in q

All the values in p are lower than corresponding values in q

p=0 (0 is a vector)

p=q

Q8.Given that the probability of Event A occurring is 0.80 and the probability of Event B occurring is 0.20, which of the following statements is correct?
Event A has a low information content
Event A has a high information content
Event B has a low information content
Event B has a high information content

.

Answer: Event A has a low information content, Event B has a high information content

These are Deep Learning IIT Ropar Week 3 Nptel Assignment Answers

Q9.What is the predicted output for the given input x after doing the forward pass? (Choose the option closest to your answer)

Q10.Compute and enter the loss between the output generated by input x
and the true output y