Python numpy-Matrix Function

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How to create an empty matrix with NumPy in Python?

Last Updated: 29 March 2025

In Python, an empty matrix is a matrix that has no rows and no columns. NumPy, a powerful library for numerical computing, provides various ...read more

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Calculate the sum of the diagonal elements of a NumPy array

Last Updated: 05 September 2020

Sometimes we need to find the sum of the Upper right, Upper left, Lower right, or lower left diagonal elements. Numpy provides us the facili...read more

Python numpy-arrayCreation

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How to Calculate the determinant of a matrix using NumPy?

Last Updated: 25 March 2025

The determinant of a square matrix is a special number that helps determine whether the matrix is invertible and how it transforms space. It ...read more

How to count the frequency of unique values in NumPy array?

Last Updated: 02 January 2024

Let's see How to count the frequency of unique values in the NumPy array. Python’s Numpy library provides a numpy.unique() function to fin ...read more

Find the number of rows and columns of a given matrix using NumPy

Last Updated: 05 March 2024

The shape attribute of a NumPy array returns a tuple representing the dimensions of the array. For a two-dimensional array, the shape tuple ...read more

Compute the inverse of a matrix using NumPy

Last Updated: 26 February 2021

The inverse of a matrix is just a reciprocal of the matrix as we do in normal arithmetic for a single number which is used to solve the equa ...read more

Compute the outer product of two given vectors using NumPy in Python

Last Updated: 25 April 2023

In Python, we can use the outer() function of the NumPy package to find the outer product of two matrices. Syntax : numpy.outer(a, b, out = ...read more

How to calculate dot product of two vectors in Python?

Last Updated: 04 April 2025

dot product or also known as the scalar product is an algebraic operation that takes two equal-length sequences of numbers and returns a sin ...read more

numpy.linalg.eig() Method in Python

Last Updated: 10 August 2020

In NumPy we can compute the eigenvalues and right eigenvectors of a given square array with the help of numpy.linalg.eig(). It will take a s ...read more

Python | Numpy np.unique() method

Last Updated: 21 November 2019

With the help of np.unique() method, we can get the unique values from an array given as parameter in np.unique() method.Syntax : np.unique( ...read more

Python | Numpy matrix.transpose()

Last Updated: 09 January 2024

With the help of Numpy matrix.transpose() method, we can find the transpose of the matrix by using the matrix.transpose()method in Python. ...read more

Python | Numpy matrix.max()

Last Updated: 15 April 2019

With the help of Numpy matrix.max() method, we can get the maximum value from given matrix.Syntax : matrix.max()Return : Return maximum ...read more

Python | Numpy matrix.diagonal()

Last Updated: 12 April 2019

With the help of Numpy matrix.diagonal() method, we are able to find a diagonal element from a given matrix and gives output as one dimensio ...read more

This class returns a matrix from a string of data or array-like object. Matrix obtained is a specialised 2D array.Syntax : numpy.matrix(data ...read more

numpy.matrix() in Python

Last Updated: 09 March 2022