Python numpy-program

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Find the number of occurrences of a sequence in a NumPy array

Python numpy-Random

Last Updated: 05 September 2020

The sequence is consisting of some elements in the form of a list and we have to find the number of occurrences of that sequence in a given ...read more

Python numpy-arrayManipulation

NumPy: How to Calculate the Difference Between Neighboring Elements in Array

Last Updated: 09 February 2024

To calculate the difference between neighboring elements in an array using the NumPy library we use numpy.diff() method of NumPy library.It ...read more

Python numpy-Mathematical Function

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Calculate the mean across dimension in a 2D NumPy array

Last Updated: 29 August 2020

We can find out the mean of each row and column of 2d array using numpy with the function np.mean(). Here we have to provide the axis for fi ...read more

Python numpy-Statistics Functions

How to get the n-largest values of an array using NumPy?

Last Updated: 29 August 2020

Let's see the program for how to get the n-largest values of an array using NumPy library. For getting n-largest values from a NumPy array w ...read more

Python numpy-Mathematical Function

NumPy | Create array filled with all ones

Last Updated: 09 February 2024

To create an array filled with all ones, given the shape and type of array we can use numpy.ones() method of NumPy library in Python.Example ...read more

NumPy Array Sorting | How to sort NumPy Array

Last Updated: 01 February 2024

Sorting an array is a very important step in data analysis as it helps in ordering data, and makes it easier to search and clean.In this tut ...read more

Python | Flatten a 2d numpy array into 1d array

Last Updated: 03 February 2023

Given a 2d numpy array, the task is to flatten a 2d numpy array into a 1d array. Below are a few methods to solve the task.Method #1 : Using ...read more

Python | Replace negative value with zero in numpy array

Last Updated: 13 March 2023

Given numpy array, the task is to replace negative value with zero in numpy array. Let’s see a few examples of this problem.Method #1: Nai ...read more

Python | Ways to add row/columns in numpy array

Last Updated: 22 March 2023

Given a Numpy array, the task is to add rows/columns basis on requirements to the Numpy array. Let's see a few examples of this problem in P ...read more

Python | Find elements within range in numpy

Last Updated: 12 March 2019

Given numpy array, the task is to find elements within some specific range. Let's discuss some ways to do the task. Method #1: Using np.wher ...read more

Python | Check if all values in numpy are zero

Last Updated: 13 March 2023

Given a numpy array, the task is to check whether the numpy array contains all zeroes or not. Let's discuss few ways to solve the above task ...read more

Python | Reverse a numpy array

Last Updated: 16 September 2022

As we know Numpy is a general-purpose array-processing package that provides a high-performance multidimensional array object, and tools for ...read more

Python numpy-arrayManipulation

Python program to print checkerboard pattern of nxn using numpy

Last Updated: 04 May 2023

Given n, print the checkerboard pattern for a n x n matrix Checkerboard Pattern for n = 8: It consists of n * n squares of alternating 0 for ...read more