Lecture 1 - Numpy Basics

Question 1

Conventional import of numpy?

Answer 1

import numpy as np

Question 2

How to get the type of numpy array?

Answer 2

.dtype

Question 3

How to get the shape of a numpy array?

Answer 3

.shape

Question 4

Order of axes in numpy ndarrays?

Answer 4

rows then columns

Question 5

Are numpy ndarrays 0-indexed?

Answer 5

yes

Question 6

What is another name for the amount of dimensions an ndarray has?

Answer 6

its rank

Question 7

What are some common dtypes?

Answer 7

• float64
• float32
• int32
• uint8

Question 8

How to load data into program using numpy?

Answer 8

np.loadtxt(file , delimeter = ‘’)