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JavaScript Program to Perform Matrix Subtraction

Updated on Nov 22, 2024
By Mari Selvan
πŸ‘οΈ 60 - Views
⏳ 4 mins
πŸ’¬ 1 Comment
JavaScript Program to Perform Matrix Subtraction

Photo Credit to CodeToFun

πŸ™‹ Introduction

Matrix subtraction is a fundamental operation in linear algebra and computer science.

Matrix subtraction involves subtracting each element of one matrix from the corresponding element of another matrix of the same order.

In this tutorial, we'll explore a javascript program that performs matrix subtraction.

In the provided javascript program, we'll perform matrix subtraction for 3x3 matrices as an example. You can easily modify the program to work with matrices of different sizes.

πŸ“„ Example

Let's dive into the javascript code that performs matrix subtraction.

subtractMatrices.js
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// Function to perform matrix subtraction
function subtractMatrices(matrix1, matrix2) {
  const resultMatrix = [];

  for (let i = 0; i < matrix1.length; ++i) {
    const row = [];

    for (let j = 0; j < matrix1[i].length; ++j) {
      row.push(matrix1[i][j] - matrix2[i][j]);
    }

    resultMatrix.push(row);
  }

  return resultMatrix;
}

// Function to display a matrix
function displayMatrix(matrix) {
  for (let i = 0; i < matrix.length; ++i) {
    console.log(matrix[i].join('\t'));
  }
}

// Sample matrices for subtraction
const matrix1 = [
  [5, 8, 2],
  [7, 4, 9],
  [3, 6, 1]
];

const matrix2 = [
  [3, 1, 7],
  [6, 9, 2],
  [8, 5, 4]
];

// Perform matrix subtraction
const resultMatrix = subtractMatrices(matrix1, matrix2);

// Display matrices and result
console.log("Matrix 1:");
displayMatrix(matrix1);

console.log("\nMatrix 2:");
displayMatrix(matrix2);

console.log("\nResultant Matrix (Matrix1 - Matrix2):");
displayMatrix(resultMatrix);

πŸ’» Testing the Program

Feel free to replace the sample matrices with your own 3x3 matrices in the main function to test the program with different input.

Output
Matrix 1:
5  8  2
7  4  9
3  6  1

Matrix 2:
3   1   7
6   9   2
8   5   4

Resultant Matrix (Matrix1 - Matrix2):
2   7  -5
1  -5   7
-5  1  -3

Run the program to see the result of the matrix subtraction.

🧠 How the Program Works

  1. The program defines a function subtractMatrices that takes two matrices as input and returns their subtraction as a new matrix.
  2. It also defines a function displayMatrix to log a matrix to the console.
  3. Sample matrices matrix1 and matrix2 are defined, and matrix subtraction is performed using the subtractMatrices function.
  4. The result is displayed using the displayMatrix function.

🧐 Understanding the Concept of Matrix Subtraction

Matrix subtraction is performed element-wise, subtracting the corresponding elements of one matrix from the elements of another matrix. The result is a new matrix of the same order.

In the provided example, the element in the first row and first column of the result matrix is obtained by subtracting the element in the first row and first column of Matrix 2 from the element in the first row and first column of Matrix 1, and so on.

πŸŽ‰ Conclusion

Matrix subtraction is a fundamental operation in linear algebra and computer science. This C program provides a practical implementation of matrix subtraction and serves as a foundation for more advanced matrix operations.

Feel free to incorporate and modify this code as needed for your specific use case. Happy coding!

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Author

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πŸ‘‹ Hey, I'm Mari Selvan

For over eight years, I worked as a full-stack web developer. Now, I have chosen my profession as a full-time blogger at codetofun.com.

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Mari Selvan
Mari Selvan
10 months ago

If you have any doubts regarding this article (JavaScript Program to Perform Matrix Subtraction), please comment here. I will help you immediately.

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