140 lines
3.0 KiB
C
140 lines
3.0 KiB
C
#include <stdio.h>
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int matrixAddition(int numRows, int numColumns)
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{
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int matrix1[numRows][numColumns];
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int matrix2[numRows][numColumns];
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printf("\nEnter elements in the first matrix:\n");
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for (int i = 0; i < numRows; i++)
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{
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for (int j = 0; j < numColumns; j++)
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{
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scanf("%d", &matrix1[i][j]);
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}
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}
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printf("\nEnter elements in the second matrix:\n");
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for (int i = 0; i < numRows; i++)
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{
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for (int j = 0; j < numColumns; j++)
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{
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scanf("%d", &matrix2[i][j]);
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}
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}
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printf("\nFirst matrix is: \n");
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for (int i = 0; i < numRows; i++)
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{
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for (int j = 0; j < numColumns; j++)
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{
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printf(" %d ", matrix1[i][j]);
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}
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printf("\n");
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}
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printf("\nSecond matrix is: \n");
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for (int i = 0; i < numRows; i++)
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{
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for (int j = 0; j < numColumns; j++)
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{
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printf(" %d ", matrix2[i][j]);
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}
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printf("\n");
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}
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printf("\nSummed matrix is: \n");
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for (int i = 0; i < numRows; i++)
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{
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for (int j = 0; j < numColumns; j++)
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{
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printf(" %d ", matrix1[i][j] + matrix2[i][j]);
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}
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printf("\n");
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}
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return 0;
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}
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int scalarMultiplication(int numRows, int numColumns, double scalar)
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{
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double matrix[numRows][numColumns];
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printf("\nEnter elements in matrix of size %d*%d! \n", numRows, numColumns);
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for (int i = 0; i < numRows; i++)
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{
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for (int j = 0; j < numColumns; j++)
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{
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scanf("%lf", &matrix[i][j]);
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}
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}
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printf("\nScaled matrix is: \n");
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for (int i = 0; i < numRows; i++)
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{
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for (int j = 0; j < numColumns; j++)
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{
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printf(" %lf ", matrix[i][j] * scalar);
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}
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printf("\n");
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}
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return 0;
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}
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int determinant()
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{
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int det;
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int matrix[2][2];
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printf("\nEnter elements in matrix: \n");
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for (int i = 0; i < 2; i++)
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{
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for (int j = 0; j < 2; j++)
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{
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scanf("%d", &matrix[i][j]);
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}
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};
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printf("\nElements in matrix are: \n");
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for (int i = 0; i < 2; i++)
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{
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for (int j = 0; j < 2; j++)
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{
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printf(" %d ", matrix[i][j]);
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}
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printf("\n");
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}
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det = (matrix[0][0] * matrix[1][1]) - (matrix[0][1] * matrix[1][0]);
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return det;
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}
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// int buildMatrix(int numRows, int numColumns)
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// {
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// int matrix[numRows][numColumns];
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// printf("\nEnter elements in matrix of size %d*%d \n", numRows, numColumns);
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// for (int i = 0; i < numRows; i++)
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// {
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// for (int j = 0; j < numColumns; j++)
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// {
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// scanf("%d", &matrix[i][j]);
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// }
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// }
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// printf("\nElements in matrix are: \n");
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// for (int i = 0; i < numRows; i++)
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// {
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// for (int j = 0; j < numColumns; j++)
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// {
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// printf(" %d ", matrix[i][j]);
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// }
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// printf("\n");
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// }
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// return 0;
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// }
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