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Functions

57 posts

Function in Maths

Last Updated: 15 December 2025

A function in math is like a machine that takes an input, does something to it, and gives a specific output. For each input, there’s exactly one output. It’s a rule that c...read more

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School Learning

Helper Function in C++ Classes

Last Updated: 23 July 2025

In C++, the users can keep their class methods organized and readable with the help of private helper functions. Helper functions are utility functions that are only acces...read more

Tangent Function

Last Updated: 23 July 2025

Tangent Function: Trigonometric function tan(x) is called a tangent function it is one of the main six trigonometric functions and is generally written as tan x. The tange...read more

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School Learning

Logarithmic Function

Last Updated: 25 April 2026

Logarithmic functions are referred to as the inverse of the exponential function. In other words, the functions of the form f(x) = logbx are called logarithmic functions, ...read more

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School Learning

Even and Odd Functions | Definition, Graph and Examples

Last Updated: 25 September 2025

Functions can be categorized into two categories based on their symmetry along the axes. Even Functions: An even function remains unchanged when its input is negated (same...read more

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School Learning

Relations and Functions

Arrays for Competitive Programming

Last Updated: 23 July 2025

In this article, we will be discussing Arrays which is one of the most commonly used data structure. It also plays a major part in Competitive Programming. Moreover, we wi...read more

Algorithms-InsertionSort

TCS-coding-questions

Volkswagen IT Services

Python numpy-Random

Derived Data Types in C

Last Updated: 23 July 2025

Data types in the C language can be categorized into three types, namely primitive, user-defined, and derived data types. In this article, we shall learn about derived dat...read more

Fastest way to duplicate an array in JavaScript

Last Updated: 23 July 2025

Multiple methods can be used to duplicate an array in JavaScript.The fastest way to duplicate an array in JavaScript is by using the slice() Method. Let us discuss some me...read more

Technical Scripter 2022

Algorithms-InsertionSort

TCS-coding-questions

JavaScript-Questions

What will happen if a print() statement is written inside a if() such as if(print())

Last Updated: 23 July 2025

Pre-requisite: if-elseThis article focuses on discussing what happens when the print statement is used inside the if-else conditional statement.For example: Consider the b...read more

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What will happen if a Function is tried to return more than one value at a time?

Last Updated: 23 July 2025

Prerequisite: How to return multiple values from a function in C or C++?There are often cases of using return statements while dealing with function calls. Generally, only...read more

Discrete Fourier Transform and its Inverse using MATLAB

Last Updated: 31 July 2025

The Discrete Fourier Transform (DFT) and its Inverse (IDFT) are core techniques in digital signal processing. They convert signals between the time or spatial domain and t...read more

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Software Engineering

fwrite() Vs write()

Last Updated: 05 May 2023

Overview:C has two sets of binary stream files for reading and writing in UNIX: fread() and fwrite(). fwrite() is a function that writes to a FILE*, which is a (possibly) ...read more

Lambda Expressions vs Function Pointers

Last Updated: 06 August 2025

Function Pointer: A function pointer, or a subroutine pointer, or a procedure pointer, is a pointer that points to a function. In simple words, it is a pointer to the loca...read more

How to return local variables from a function in C++

Last Updated: 23 July 2025

In C++, returning a local variable from a function may result in an error due to the deallocation of variable memory after some value is returned from the function. But th...read more

Page Faults in LRU | Implementation

Last Updated: 09 September 2024

LRU uses the concept of paging for memory management. A page replacement algorithm is needed to decide which page needs to be replaced when the new page comes in. Whenever...read more

Operating Systems

TCS-coding-questions

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