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NumPy

AI summary

NumPy is a powerful Python library for numerical computing that provides support for n-dimensional arrays and a variety of mathematical functions. It offers flexibility and speed, making it accessible for programmers. The tutorial covers array creation, manipulation, matrix operations, and advanced features like reshaping, indexing, and linear algebra, along with practical applications and exercises.

Type

NumPy Tutorial – Python Library

NumPy is a general-purpose array-processing Python library which provides handy methods/functions for working n-dimensional arrays. NumPy is a short form for “Numerical Python“. It provides various computing tools such as comprehensive mathematical functions, and linear algebra routines.

NumPy provides both the flexibility of Python and the speed of well-optimized compiled C code.
Its easy-to-use syntax makes it highly accessible and productive for programmers from any background.

This NumPy tutorial helps you learn the fundamentals of NumPy from Basics to Advanced, like operations on NumPy array, creating and plotting random data sets, and working with NumPy functions.

Why Numpy ?

NumPy revolutionized the way we handle numerical data in Python. It is created to address the limitations of traditional Python lists when it comes to numerical computing. It is developed by Travis Olliphant in 2005.

Numpy Array in Python

create a array object
create numpy array from list
create a numpy array from Tuple
create a numpy using fromtier()
create a numpy array using arange()
create a numpy array using linespace
Create a numpy array using nump.empty( )
create a numpy array using nump.one( )
create a numpy array using nump.zero( )
Create a Numpy Array using nump.eye( )
Create 1D NumPy Array using nump.random.rand()
Create a Full NumPy Array using np.full()
Create Numpy from numpy.core.fromrecords()

NumPy Array Manipulation

new_array = np.copy(original_array)
new_array = original_array.view()
new_array.base

Matrix in NumPy

Matrix manipulation in Python numpy matrix operations | empty() function numpy matrix operations | zeros() function numpy matrix operations | ones() function numpy matrix operations | eye() function numpy matrix operations | identity() function Adding and Subtracting Matrices in Python Matrix Multiplication in NumPy Dot product of two arrays NumPy | Vector Multiplication How to calculate dot product of two vectors in Python?Multiplication of two Matrices in Single line using Numpy in Python Get the eigen values of a matrix Calculate the determinant of a matrix using NumPy Find the transpose of the matrix Find the variance of a matrix Compute the inverse of a matrix using NumPy

Operations on NumPy Array

Numpy – Binary Operations Numpy – Mathematical Function Numpy – String Operations

Reshaping NumPy Array

Reshape NumPy Array Resize the shape of the given matrix Reshape the shape of the given matrix Get the Shape of NumPy Array Change the dimension of a NumPy array Change shape and size of array in-place Flatten a Matrix in Python using NumPy Flatten a matrix – matrix.ravel()Move axes of an array to new positions Interchange two axes of an array Swap the axes a matrix Split an array into multiple sub-arrays vertically Split an array into multiple sub-arrays horizontally Give a new shape to the masked array without changing its data Squeeze the size of a matrix

Indexing NumPy Array

Basic Slicing and Advanced Indexing in NumPy Python Get selected slices of an array along mentioned axis Accessing Data Along Multiple Dimensions Arrays in Python Numpy How to access different rows of a multidimensional NumPy array?Get the indices for the lower-triangle of an (n, m) array

Arithmetic operations on NumPy Array

Broadcasting with NumPy Arrays Estimation of Variable Python: Operations on Numpy Arrays How to use the NumPy sum function?Divide the NumPy array element wise Computes the inner product of two arrays Absolute Deviation and Absolute Mean Deviation using NumPy Find the standard deviation a matrix Calculate the GCD of the NumPy array

Linear Algebra in NumPy Array

Numpy | Linear Algebra Get the QR factorization of a given NumPy array How to get the magnitude of a vector in NumPy?Compute the eigenvalues and right eigenvectors of a given square array using NumPy?

NumPy and Random Data

Random sampling in numpy | ranf() function Random sampling in numpy | random() function Random sampling in numpy | random_sample() function Random sampling in numpy | sample() function Random sampling in numpy | random_integers() function Random sampling in numpy | randint() function Get random elements from NumPy – random.choice()How to choose elements from the list with different probability using NumPy?How to get weighted random choice in Python?How to get the random positioning of different integer values?Get Random Elements form geometric distribution Get Random samples of a sequence of permutation

Sorting and Searching in NumPy Array

Searching in a NumPy array How to sort a Numpy Array Numpy – Sorting, Searching and Counting Variations in different Sorting techniques in Python Sort a complex array Get the minimum value of masked array Sort the values in a matrix Sort the elements in the given matrix having one or more dimension

Universal Functions

Numpy ufunc | Universal functions Create your own universal function in NumPy

Working With Images

Create a white image using NumPy in Python Convert a NumPy array to an image How to Convert images to NumPy array?Convert an image to NumPy array and save it to CSV file using Python?

Projects and Applications with NumPy

Print checkerboard pattern of nxn using numpy Implementation of neural network from scratch using NumPy Analyzing selling price of used cars using Python

Python Numpy Exercises

Python NumPy – Practice Exercises, Questions, and Solutions Python MCQ (Multiple Choice Questions) with Answers Numpy Program Examples

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