Tag: arrays
Allocating and deallocating 2D arrays dynamically in C and C++
In this article we will see how to allocate and deallocate 2D arrays dynamically using new / delete and malloc / free combinations. Suppose we want to create a 2D array using pointers on heap either using new or malloc. It should function like this, Advertisements int row = 2; int col = 3; int ** …
Allocating and deallocating 2D arrays dynamically in C and C++Read More
Create a 1D / 2D Numpy Arrays of zeros or ones
In this article we will discuss how to create a Numpy array of different shapes and initialized with 0 & 1. numpy.zeros() Python’s Numpy module provides a function to create a numpy array of given shape & type and all values in it initialized with 0’s i.e. numpy.zeros(shape, dtype=float, order=’C’) Arguments: Advertisements shape : Shape …
6 Ways to check if all values in Numpy Array are zero (in both 1D & 2D arrays) – Python
In this article we will discuss seven different ways to check if all values in a numpy array are 0. Then we will look how to find rows or columns with only zeros in a 2D array or matrix. Check if all values in a 1D Numpy Array are Zero First of all, we will …
6 Ways to check if all values in Numpy Array are zero (in both 1D & 2D arrays) – PythonRead More
np.zeros() – Create Numpy Arrays of zeros (0s)
In this article, we will discuss how to create 1D or 2D numpy arrays filled with zeros (0s). np.zeros() – Create Numpy Arrays of zeros (0’s) numpy.zeros() Python’s Numpy module provides a function to create a numpy array of given shape & type and filled with 0’s i.e, numpy.zeros(shape, dtype=float, order=’C’) Arguments: Advertisements shape: Shape …
Javascript: Check if two arrays are equal
While working in javascript arrays, often there is a requirement to compare two arrays and check if two arrays are equal. This article demonstrates easy ways to check if two arrays are equal using different methods and example illustrations. We will cover both strict comparisons as well as comparing two arrays irrespective of the order of …
Merge two Arrays in Javascript (3 ways)
While working in javascript arrays, we often need to merge two arrays. This article will see different ways to merge two arrays using different methods and various example illustrations. Table of Contents: Merge two arrays using concat() Merge two arrays using Spread operator Merge one array to another using push() Merge two arrays using concat() …
5 ways to Merge two Arrays and Remove Duplicates in Javascript
While working in javascript arrays, we often need to merge two arrays, and many times we also need to remove the duplicates from the final array. This article will see different ways to merge two arrays and remove duplicate items from the final array using different methods and various example illustrations. Table of Contents: Merge …
5 ways to Merge two Arrays and Remove Duplicates in JavascriptRead More
Check if two NumPy Arrays are equal in Python
In this article we will learn How to check if two NumPy Arrays are equal. Table Of Contents Using == operator and all() method Using array_equal() method Flattening the arrays and comparing elements one-by-one Flattening the arrays using ravel() method and comparing elements one-by-one Using array_equiv() method Using Numpy nditer() method Using allclose() method Given …
How to Concatenate NumPy Arrays in Python?
In this article, we will learn how to concatenate a NumPy array to another NumPy array in python. Table Of Contents Using append() method to concatenate NumPy Arrays Using concatenate() method to concatenate NumPy Arrays Using hstack() method to Concatenate NumPy Arrays Using vstack() to Concatenate NumPy Arrays row-wise (vertically) Given two NumPy arrays, we …
How to Compare Arrays for equality in C++?
In this article, we will discuss how to compare two arrays in C++. Table Of Contents Problem Description Compare Arrays using Linear traversal (Iterative Method) Compare Arrays using STL function equal() Summary Problem Description Here, we are given two arrays, and we have to find if they are equal or not. Advertisements Input int arr1[] …