Fun with Numpy

Each location of an element in an array is called ______________

• Size

• Length

• Index

• Element

Two dimensional arrays are also known as ______________

• Subscripts

• Matrices

• ndarray

• Vectors

One dimensional arrays are also known as _____________

• Vectors

• ndarray

• Matrices

• Subscript

Which one of these is given as the 1st subscript?

• column index no.

• row index no.

_________________ returns the length of each element of array in bytes.

• len()

• itemsize

• shape

• type

A=np.array([1,2,3,4],dtype=np.float64)

What is the itemsize of array 'A'?

• 1

• 4

• 8

• 16

b=np.array([[1,2,3,4],[5,6,7,8],[10,11,12,13]])

Write the value of b[2,1].

• 3

• 6

• 10

• 11

We can do arithmetic operations in python list.

• True

• False

x=np.array([9,4,2,7])

y=x+5

• [14 9 7 12]

• [14,9 ,7, 12]

• [13 8 6 12]

• [13,8 ,6 ,12]

_______________ is used to change the dimension or shape of the array.(Select the code used for it.)

• shape

• reshape

• reshape()

• itemsize