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Author: poojarajeev

matrix_multiplication.cpp

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+//write a programme to implement matrix multiplication
+#include<iostream>
+using namespace std;
+int a[50][50],b[50][50],c[100][100];
+int i,j,k,p,q,m,n,r,s;
+cout<<"enter size of matrix1"<<endl;
+cin>>m>>n;
+cout<<"enter size of matrix 2"<<endl;
+cin>>r>>s;
+for(i=0;i<n;i++)
+{
+	for(j=0;j<m;j++)
+	{
+		cin>>a[i][j];
+	}
+}
+cout<<"enter second matrix"<<endl;
+for(i=0;i<s;i++)
+{
+	for(j=0;j<r;j++)
+	{
+		cin>>b[i][j];
+	}
+}
+for(i=0;i<n;i++)
+{
+	for(j=0;j<s;j++)
+	{
+		for(k=0;k<m;k++)
+		{
+			*(*(c+i)+j)+=*(*(a+i)+j)*(*(*b+k)+j);
+		}
+	}
+}
+for(i=0;i<n;i++)
+{
+	for(j=0;j<s;j++)
+	{
+		cout<<c[i][j];
+	}
+}