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OpenGenus IQ, an open-source Computer Science Publication House, is driven by 2500+ BSc/MSc/PhD holders globally, exploring Algorithms, Deep Learning, System Design, and more since 2017.

Software Engineering

Solving Linear Programming problems in Python using cvxpy library

Linear programming requires that all the mathematical functions in the model be linear functions. We have solved linear programming problems in Python using cvxpy library.

Arathy Rose Tony
Software Engineering

How to formulate a linear programming problem?

In this article, we will explore into sample problems and formulate it as a linear programming problem. We have considered three problems Product Mix Problem, Transportation Problem and Flow Capacity Problem.

Arathy Rose Tony
Software Engineering

Handling Exceptions in Java

The three main elements of an exception handler in Java are: try, catch and finally block. We have explored these in depth with examples and questions related to handling exceptions in Java.

Vaidehi Bhardwaj Vaidehi Bhardwaj
Software Engineering

Super keyword Reference in Java

Super keyword, in Java, is used to call the Constructor of the Parent Class. It is required when we need to pass some arguments to Parent Class and complete object instantiation.

Ishaan Ahuja

Journey to becoming the Most Active GitHubber in India

This blog highlights the journey of Nishkarsh Raj, who worked on the #301DaysofCode challenge on GitHub and posted daily updates on Twitter. By the end of the journey, he had 11000+ contributions on the platform and was one of the most active GitHubber in India.

Nishkarsh Raj Nishkarsh Raj
Algorithms

Minimum number of increment or decrement (by 1) operations to make array in increasing order

Given an array of size N. Find the minimum number of increment or decrement operations to make the array in increasing order. In each move, we can add or subtract 1 to any element in the array.

Sweta Behera
Algorithms

Minimum number of increment (by 1) operations to make array in increasing order

Given an array of size N . Find the number of increment (by 1) operations required to make the array in increasing order. In each move, we can add 1 to any element in the array.

Sweta Behera
Machine Learning (ML)

Activation Functions in Machine Learning: A Breakdown

We have covered the basics of Activation functions intuitively, its significance/ importance and its different types like Sigmoid Function, tanh Function and ReLU function.

Divij Kulshrestha
Software Engineering

Online C Code Compiler using Flask

In this article, we have explored how we can develop an online C Programming language compiler using Flask (a Python web framework). It can be extended to support any programming language.

Devansh Thapa Devansh Thapa
Software Engineering

Basics of std::multiset in C++

We have explored the basics of multiset container in C++ in depth. We have covered initialize, accessing elements, member functions, modifiers like emplace, its iterators, observers and much more.

Pravesh S. Jamgade
Software Engineering

Handling date and time in Python using datetime module

We explore the datetime module provided in Python programming language and how to use its various functionalities in implementation along with various types of objects and classes within it.

Reetika Poosarla
Software Engineering

Introduction to Abstract Window Toolkit (AWT) in Java

in this article, we have explored the basics of Abstract Window Toolkit (AWT) in Java which is used for creating Windows based Graphical User Interface. We demonstrated it by implementing a form UI using AWT in Java.

FAHAD ISRAR FAHAD ISRAR
Software Engineering

Ways to convert double to string in C++

We have covered different ways to convert double to string in C++ which includes using std::to_string function, ostringstream, sprintf and boost's lexical_cast.

Rasika Kedia
Software Engineering

Vector::front() in C++ STL

We have covered front() function of vector container in C++ STL in depth along with differences between front(), begin(), back() and end() Functions.

Shivani Rajput Shivani Rajput
Software Engineering

Unit Testing in JavaScript with an application as example

We have explored Unit testing in JavaScript in depth and demonstrated it by developing a simple application to perform arithmetic operations like addition, subtraction and multiplication along with Unit testing.

Pranjal Srivastava Pranjal Srivastava
Data Structures

Circular Linked List

Circular Linked list is a complex form of a linked list data structure as within a circular linked list the last node points to the first node of the list. We have covered it in detail with all operations and implementation in Java.

Sandeep Bhuiya
Machine Learning (ML)

Gaussian blur (filter to blur images)

Gaussian blur is a type of image processing that applies a convolution filter on an image. This filter takes the surrounding pixels and returns a single number calculated with a weighted average based on the normal distribution.

Annie Lee Annie Lee
Software Engineering

Complete guide on stdlib.h in C

is the header for the General Purpose Standard Library of C programming language which declares a variety of utility functions for type conversions, memory allocation, process control and other similar tasks.

Vishnu S Reddy Vishnu S Reddy
Machine Learning (ML)

Text Preprocessing in Python using spaCy library

In this article, we have explored Text Preprocessing in Python using spaCy library in detail. Some techniques we have covered are Tokenization, Lemmatization, Removing Punctuations and Stopwords, Part of Speech Tagging and Entity Recognition

Anmol Saluja
Data Structures

Applications of Queue

We have covered all applications of queue. Some of the algorithms were it is used are CPU Scheduling (First-Come-First-Serve), Breadth First Search Traversal, Level Order Traversal of a tree, Edmonds Karp Algorithm, Dinic's Algorithm and Fibonacci Heap. We have explored some of the problems as well.

Shruti Rawal Shruti Rawal
Data Structures

Types of Queue and their implementations

Queue is a FIFO (first in first out) data structure. The different types of queues are linear queue, circular queue, priority queue and deque. We have explored the types along with implementations.

Shruti Rawal Shruti Rawal
Software Engineering

2D Arrays in Java

In this article, we have focused on 2D array in Java which is a variant of the usual 1D array by introducing a new dimension. We have demonstrated different operations with 2D arrays.

Raksha Jain
Software Engineering

2D Array List in Java

An Array List is a dynamic version of array and is supported in Java's collection library. In this article, we have focused on 2D array list in Java along with different methods applicable on it like indexOf.

Raksha Jain
Software Engineering

Ways to ZIP a file in Python

In this post, we have covered how to ZIP a file in Python, how to extract files from a ZIP file, how to print contents of a ZIP file using Python and much more with Python code examples.

Ganesh Bagaria Ganesh Bagaria
Algorithms

Number of ways to reach a number using increments of 1 and 2 (consecutive 2s are not allowed)

The problem states that given a number or a score, we need to find the number of ways to reach it using increments of 1 and 2 with a constraint that consecutive 2s aren't allowed. We will solve this using Dynamic Programming in linear time O(N).

K. Sai Drishya K. Sai Drishya
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