C Program to Perform Matrix Division

Posted in C Tutorial

Updated on Jan 11, 2024

By Mari Selvan

👁️ 340 - Views

⏳ 4 mins

💬 1 Comment

Photo Credit to CodeToFun

🙋 Introduction

Matrix operations are fundamental in linear algebra and various scientific and engineering applications. One essential matrix operation is division.

In this tutorial, we'll explore a C program that performs matrix division, providing a foundational understanding of how to handle matrices in a programming context.

📄 Example

Let's delve into the C code that performs matrix division.

matrixDivision.c

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#include <stdio.h>

// Function to print a matrix
void printMatrix(int rows, int cols, float matrix[rows][cols]) {
  for (int i = 0; i < rows; ++i) {
    for (int j = 0; j < cols; ++j) {
      printf("%0.2f\t", matrix[i][j]);
    }
    printf("\n");
  }
}

// Function to perform matrix division
void matrixDivision(int rows, int cols, float matrixA[rows][cols], float matrixB[rows][cols]) {
  float result[rows][cols];

  // Check if matrixB is invertible
  // Additional logic for inverse calculation is required here

  // Perform matrix division
  for (int i = 0; i < rows; ++i) {
    for (int j = 0; j < cols; ++j) {
      result[i][j] = matrixA[i][j] / matrixB[i][j];
    }
  }

  // Print the result
  printf("Result of matrix division:\n");
  printMatrix(rows, cols, result);
}

// Driver program
int main() {
  // Define matrices A and B
  float matrixA[2][2] = {{4.0, 8.0},{2.0, 6.0}};
  float matrixB[2][2] = {{2.0, 4.0},{1.0, 3.0}};

  // Call the function to perform matrix division
  matrixDivision(2, 2, matrixA, matrixB);

  return 0;
}

💻 Testing the Program

To test the program with different matrices, replace the values of matrixA and matrixB in the main function.

Output

Result of matrix division:
2.00   2.00
2.00   2.00

Compile and run the program to see the result of matrix division.

🧠 How the Program Works

The program defines a function printMatrix to print a matrix for better visualization.
The matrixDivision function checks if matrix B is invertible (additional logic for inverse calculation is required).
It performs matrix division element-wise and prints the result.

🧐 Understanding the Concept of Matrix Division

Matrix division is not a straightforward operation like addition or multiplication.

Matrix division involves multiplying one matrix by the inverse of another. Ensure that the second matrix is invertible, and additional logic for inverse calculation may be required.

For two matrices A and B, the division A/B is equivalent to A * B^(-1), where B^(-1) is the inverse of matrix B.