You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
3.5 KiB
C#
87 lines
3.5 KiB
C#
using System;
|
|
public class Exercise21
|
|
{
|
|
public static void Main()
|
|
{
|
|
int i,j,k,r1,c1,r2,c2,sum=0;
|
|
int[,] arr1 = new int[50,50];
|
|
int[,] brr1 = new int[50,50];
|
|
int[,] crr1 = new int[50,50];
|
|
Console.Write("\n\nMultiplication of two Matrices\n");
|
|
Console.Write("----------------------------------\n");
|
|
Console.Write("\nInput the number of rows and columns of the first matrix :\n");
|
|
Console.Write("Rows : ");
|
|
r1 = Convert.ToInt32(Console.ReadLine());
|
|
Console.Write("Columns : ");
|
|
c1 = Convert.ToInt32(Console.ReadLine());
|
|
Console.Write("\nInput the number of rows of the second matrix :\n");
|
|
Console.Write("Rows : ");
|
|
r2 = Convert.ToInt32(Console.ReadLine());
|
|
Console.Write("Columns : ");
|
|
c2 = Convert.ToInt32(Console.ReadLine());
|
|
if(c1!=r2)
|
|
{
|
|
Console.Write("Mutiplication of Matrix is not possible.");
|
|
Console.Write("\nColumn of first matrix and row of second matrix must be same.");
|
|
}
|
|
else
|
|
{
|
|
Console.Write("Input elements in the first matrix :\n");
|
|
for(i=0; i<r1; i++)
|
|
{
|
|
for(j=0; j<c1; j++)
|
|
{
|
|
Console.Write("element - [{0}],[{1}] : ",i,j);
|
|
arr1[i,j] = Convert.ToInt32(Console.ReadLine());
|
|
}
|
|
}
|
|
Console.Write("Input elements in the second matrix :\n");
|
|
for(i=0; i<r2; i++)
|
|
{
|
|
for(j=0; j<c2; j++)
|
|
{
|
|
Console.Write("element - [{0}],[{1}] : ",i,j);
|
|
brr1[i,j] = Convert.ToInt32(Console.ReadLine());
|
|
}
|
|
}
|
|
Console.Write("\nThe First matrix is :\n");
|
|
for(i=0; i<r1; i++)
|
|
{
|
|
Console.Write("\n");
|
|
for(j=0; j<c1; j++)
|
|
Console.Write("{0}\t",arr1[i,j]);
|
|
}
|
|
Console.Write("\nThe Second matrix is :\n");
|
|
for(i=0; i<r2; i++)
|
|
{
|
|
Console.Write("\n");
|
|
for(j=0; j<c2; j++)
|
|
Console.Write("{0}\t",brr1[i,j]);
|
|
}
|
|
//multiplication of matrix
|
|
for(i=0; i<r1; i++)
|
|
for(j=0; j<c2; j++)
|
|
crr1[i,j]=0;
|
|
for(i=0; i<r1; i++) //row of first matrix
|
|
{
|
|
for(j=0; j<c2; j++) //column of second matrix
|
|
{
|
|
sum=0;
|
|
for(k=0; k<c1; k++)
|
|
sum=sum+arr1[i,k]*brr1[k,j];
|
|
crr1[i,j]=sum;
|
|
}
|
|
}
|
|
Console.Write("\nThe multiplication of two matrix is : \n");
|
|
for(i=0; i<r1; i++)
|
|
{
|
|
Console.Write("\n");
|
|
for(j=0; j<c2; j++)
|
|
{
|
|
Console.Write("{0}\t",crr1[i,j]);
|
|
}
|
|
}
|
|
}
|
|
Console.Write("\n\n");
|
|
}
|
|
} |