TensorFlow Tensors and Operations 3

Question 1

Which TensorFlow function computes the matrix product of two tensors?

Accepted Answer

tf.matmul()

Answer

tf.matmul() performs true matrix multiplication, not element-wise multiplication.

Question 2

What does the axis parameter control in tf.reduce_sum()?

Accepted Answer

Which dimension to sum over

Answer

The axis parameter specifies which dimension(s) are reduced by the sum operation.

Question 3

Which TensorFlow constant creates a 3×3 identity matrix?

Accepted Answer

tf.eye(3)

Answer

tf.eye(n) creates an n×n identity matrix with ones on the diagonal and zeros elsewhere.

Question 4

What is broadcasting in TensorFlow?

Accepted Answer

Automatic expansion of smaller tensors to match larger tensor shapes

Answer

Broadcasting allows TensorFlow to perform operations on tensors with different shapes by automatically expanding dimensions.

Question 5

Which TensorFlow function clips tensor values to a specified range?

Accepted Answer

tf.clip_by_value()

Answer

tf.clip_by_value() sets any tensor values below min or above max to those boundary values.

TensorFlow Practice Test