Which of the following function stacks 1D arrays as columns into a 2D array? - NumPy Quiz

NumPy - Quiz(MCQ)

Which of the following function stacks 1D arrays as columns into a 2D array?

A)

column_stack

B)

com_stack

C)

row_stack

D)

All of the above

Correct Answer : column_stack

Explanation : column_stack is equivalent to vstack only for 1D arrays.

Recently Updated in NumPy Questions

What does it do array.min() ?

A)

finds the maximum number in numpy array

B)

makes operation of minus if x < 100

C)

Both (a) and (b)

D)

finds the minimum number in numpy array

Correct Answer : finds the minimum number in numpy array

What will be output for the following code?

import numpy as np a = np.array([[1,2,3],[0,1,4]]) b = np.zeros((2,3), dtype=np.int16) c = np.ones((2,3), dtype=np.int16) d = a + b + c print (d[1,2] )

A)

5

B)

6

C)

7

D)

8

Correct Answer : 5

reshape() function in numpy array using python is :

A)

reshape(shape)

B)

array.reshape(shape)

C)

reshape(array, shape)

D)

numpy.reshape(array)

Correct Answer : reshape(array, shape)

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