9.2.1 - NumPy (Numerical Python)
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is the command to create a NumPy array with values [5, 6, 7]?
💡 Hint: Look for the function that starts with 'np.'
How do you find the mean of an array in NumPy?
💡 Hint: What function can we use to compute averages?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does NumPy stand for?
💡 Hint: Think about the purpose of the library.
True or False: NumPy is slower than Python lists for numerical calculations.
💡 Hint: Recall the efficiency of NumPy.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a NumPy array to represent a 3x3 matrix of integers and calculate its determinant.
💡 Hint: Think about how to create a 2D array, then look for determinant functions in NumPy.
Create a script that generates an array of 20 random numbers and computes both the mean and the standard deviation using NumPy.
💡 Hint: Consider how to use the random module in NumPy along with the statistical methods.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.