PYTHON NUMPY

What is the purpose of NumPy in Python?

• 1. To do numerical calculations

• 1. To do scientific computing

• Both numeric, scientific

• draw images

NumPy arrays can be __

• 1. Indexed

• 1. Sliced

• Iterated

• All

Using ndim we can find

• 1. dimension of the array

• 1. Size of array

• 1. Operational activities on Matrix

• None

import numpy as np

a = np.array([(10,20,30)])

print(a.itemsize)

• 8

• 9

• 10

• 11

What does NumPy stand for?

• Numerical Python

• Natural Python

• Numeric Program

• Nonlinear Python

Which of the following is used to reshape a NumPy array?

• reshape()

• change()

• recreate()

• modify()

Which of the following is used to find the maximum element in a NumPy array?

• max()

• amax()

• maximum()

• all

Which of the following is used to find the sum of the elements in a NumPy array?

• sum()

• cumsum()

• total()

• arraysum()

Which of the following is used to create an identity matrix in NumPy?

• identity()

• eye()

• ones()

• none

Which of the following is used to find the inverse of a matrix in NumPy?

• inv()

• inverse()

• invert()

• change()