C# Program to perform Matrix Multiplication

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Perform Matrix Multiplication

In the following example, we will multiply the two given matrices (two-dimensional arrays).

Example

C# Compiler
using System; namespace myApp { class Program { static void Main(string[] args) { int i, j, k; int[,] arr1 = { {1, 1, 1}, {1, 1, 1}, {1, 1, 1} }; int[,] arr2 = { {2, 2, 2}, {2, 2, 2}, {2, 2, 2} }; int[,] arr3 = new int[3, 3]; Console.WriteLine("Matrix A (3 x 3):"); for(i=0; i<3; i++) { for(j=0; j<3; j++) Console.Write("{0} ", arr1[i, j]); Console.WriteLine(); } Console.WriteLine("\nMatrix B (3 x 3):"); for(i=0; i<3; i++) { for(j=0; j<3; j++) Console.Write("{0} ", arr2[i, j]); Console.WriteLine(); } for(i=0; i<3; i++) { for(j=0; j<3; j++) { for(k=0; k<3; k++) arr3[i, j] = arr3[i, j] + arr1[i, k] * arr2[k, j]; } } Console.WriteLine("\nMatrix Multiplication (A x B):"); for(i=0; i<3; i++) { for(j=0; j<3; j++) Console.Write("{0} ", arr3[1, 1]); Console.WriteLine(); } } } }

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