matrix

#include <stdio.h>
#include <conio.h>
#ifndef dynamicmatrix_h
#define dynamicmatrix_h
#define R 7
#define C 7

void display(int a[][C], int row, int column);
void displayTranspose(int a[][C], int row, int column);
float average(int a[][C], int row, int column);
int findlowest(int a[][C], int row, int column);
int isSquare(int row, int column);
void matrixSum(int A[][C], int rowA, int colA, int B[][C], int rowB, int colB);
void matrixProduct(int A[][C], int rowA, int colA, int B[][C], int rowB, int colB);
void input(int(*input)[C], int rowS, int colS);
void sizeinput(int *row, int *column, char designator);

#endif


#include <stdio.h>
#include <conio.h>
#include "dynamicmatrix.h"


void main()
{

	int matrixA[R][C];
	int matrixB[R][C];
	int rowA, colA, rowB,colB;

	sizeinput(&rowA, &colA, 'A');
	printf("\nPlease enter values for Matrix A");
	input(matrixA, rowA, colA);
	printf("\n- The numbers in matrix A are: \n");
	display(matrixA, rowA, colA);

	sizeinput(&rowB, &colB, 'B');
	printf("\nPlease enter values for Matrix B");
	input(matrixB, rowB, colB);
	printf("\n- The numbers in matrix B are: \n");
	display(matrixB, rowB, colB);

	printf ("\n\n\n- The average of the numbers in matrix A is: %.2f", average(matrixA, rowA, colA));
	printf ("\n\n- The transposed numbers in matrix A are: \n");
	displayTranspose(matrixA, rowA, colA);
	printf ("\n\n\n- The lowest number in matrix A is: %d", findlowest(matrixA, rowA, colA));
	printf("\nFor matrix A:");
	switch(isSquare(rowA, colA))
		{
			case 1: printf ("\n\n- The matrix is a square.");
				break;
			case 0: printf ("\n\n- The matrix is not a square.");
				break;
		}
	printf("\nFor matrix B:");
	switch(isSquare(rowB, colB))
		{
			case 1: printf ("\n\n- The matrix is a square.");
				break;
			case 0: printf ("\n\n- The matrix is not a square.");
				break;
		}
	matrixSum(matrixA, rowA, colA, matrixB, rowB, colB);
	matrixProduct(matrixA, rowA, colA, matrixB, rowB, colB);
	_getch();
}

#include <stdio.h>
#include <conio.h>
#include "dynamicmatrix.h"


void sizeinput(int *row, int *column, char designator)
{
	int rowinput, columninput;
printf_s("\nPlease enter the following information for matrix %c\n", designator);
printf_s("\n   Row: "); scanf_s("%d", &rowinput);
printf_s("\nColumn: "); scanf_s("%d", &columninput);
*row=rowinput;
*column=columninput;
}


void input(int(*input)[C], int rowS, int colS)
{
	int row, col;
	for (row = 0; row < rowS; row++)
	{
		for (col = 0; col < colS; col++)
		{
			printf("\nEnter value for pos[%d,%d]\n", col, row);
			scanf_s("%d", &input[row][col]);
		}
	}
}

void matrixProduct(int A[][C], int rowA, int colA, int B[][C], int rowB, int colB)
{
	int psum = 0, product[R][C];
	if (colA==rowB)
	{
		for (int row = 0; row < rowA; row++)
		{
			for (int col = 0; col < colB; col++)
			{
				for (int control = 0; control < colA; control++)
				{
					psum = psum + A[row][control] * B[control][col];
				}
				product[row][col] = psum;
				psum = 0;
			}
		}
		printf("\nThe product of matrix A and B is: \n");
		display(product, rowA, colB);
	}
	else
		 printf_s("\nDimension mismatch! Cannot perform multiplication.");
}



void matrixSum(int A[][C], int rowA, int colA, int B[][C], int rowB, int colB)
{
	int row, col, sum[R][C];
	if (rowA==rowB && colA==colB)
	{
			for (row = 0; row < rowA; row++)
		{
			for (col = 0; col < colB; col++)
			{
				sum[row][col] = A[row][col] + B[row][col];
			}
		}
			printf("\nThe sum of matrix A and B is: \n");
			display(sum, row, col);
	}
	else printf_s("\nDimension mismatch! Cannot perform addition");
}

void displayTranspose(int a[][C], int row, int column)
{
	for (int rowD = 0; rowD<column; rowD++)
	{
		printf("\n");
		for (int columnD = 0; columnD<row; columnD++)
		{
			printf("  %d  ", a[columnD][rowD]);
		}
	}
}


void display(int a[][C], int row, int column)
{
	for (int rowD = 0; rowD<row; rowD++)
	{
		printf("\n");
		for (int columnD = 0; columnD<column; columnD++)
		{
			printf("  %d  ", a[rowD][columnD]);
		}
	}
}

float average(int a[][C], int row, int column)
{
	float total=0;
	int count=0;
	for(int rowD=0; rowD<row; rowD++)
	{
		for(int columnD=0; columnD<column; columnD++)
		{
		total+=a[rowD][columnD];
		count++;
		}
	}
	return total/count;
}

int findlowest(int a[][C], int row, int column)
{
	int lowest=10;
	for(int rowD=0; rowD<row; rowD++)
	{
		for(int columnD=0; columnD<column; columnD++)
		{
		if (a[rowD][columnD]<lowest)
			lowest=a[rowD][columnD];
		}
	}
	return lowest;
}
int isSquare(int row, int column)
{
	if (row==column)
		return 1;
	else
		return 0;
}