Matrix Multiplication.c

Author: Suchibrata-Patra

Matrix Multiplication.c

@@ -0,0 +1,220 @@
+#include <stdio.h>
+
+#include<stdlib.h>
+
+#include<string.h>
+
+int main (){
+
+
+// Initialising 1st Matrix
+
+   system("clear");
+
+    int m1,n1,m2,n2;
+
+    printf("No of Rows of 1st Matrix : ");
+
+    scanf("%d",&m1);
+
+    printf("No of Columns of 1st Matrix : ");
+
+    scanf("%d",&n1);
+
+    
+
+// Initialising the 2nd Matrix
+
+    
+
+    printf("No of Rows of 2nd Matrix : ");
+
+    scanf("%d",&m2);
+
+    printf("No of Columns  of 2nd Matrix : ");
+
+    scanf("%d",&n2);
+
+ 
+
+    if (n1!=m2)
+
+    {
+
+        printf("Can't Compute ...\n");
+
+// Checking n1=m2
+
+    
+
+    }
+
+    
+
+    else{
+
+        
+
+        int matrix1[m1][n1];
+
+        int matrix2[m2][n2];
+
+// Taking input of 1st Matrix
+
+        
+
+        printf("\n ");
+
+        printf("Enter the 1st Matrix : \n\n");
+
+        
+
+        for (int i=1;i<=m1;i++)
+
+        {
+
+            for (int j=1;j<=n1;j++)
+
+            {
+
+                printf("\ta[%d][%d] : ",i,j);
+
+                scanf("%d",&matrix1[i][j]);
+
+            }
+
+        }
+
+// Taking input of 2nd Matrix
+
+
+        printf("\n ");
+
+        printf("Enter the 2nd Matrix : \n\n");
+
+        for (int i=1;i<=m2;i++)
+
+        {
+
+            for (int j=1;j<=n2;j++)
+
+            {
+
+                printf("\tb[%d][%d]",i,j);
+
+                scanf("%d",&matrix2[i][j]);
+
+            }
+
+        }
+
+        printf("\n");
+
+// Printing 1st Matrix
+
+
+        for (int i=1;i<=m1;i++)
+
+        {
+
+            printf("\t");
+
+            printf("|");
+
+            for (int j=1;j<=n1;j++)
+
+            {
+
+                printf(" %d ",matrix1[i][j]);
+
+                
+
+                
+
+            }
+
+            printf("|");
+
+            printf("\n");
+
+        }
+
+printf("\n\n");
+
+          // Printing 2nd Matrix
+
+
+            for (int i=1;i<=m2;i++)
+
+            {
+
+                printf("\t");
+
+                printf("|");
+
+                for (int j=1;j<=n2;j++)
+
+                {
+
+                    printf(" %d ",matrix2[i][j]);
+
+                }
+
+                printf("|");
+
+                printf("\n");
+
+            }
+
+            
+
+        
+
+         int x=1,y=1,sum[m1][n2];
+
+            int product[x][y];
+
+                        for (int k=1;k<=m1;k++)
+
+               {
+
+                for (int p=1;p<=n2;p++)
+
+                {
+
+               // product[k][p]=matrix1[k][p]*matrix2[p][k];
+
+                //um=sum+product[k][p];
+
+                //    printf("%d",sum);
+
+                    product[k][p]=matrix1[k][p]*matrix2[p][k];
+
+                    sum[k][p]=sum[k][p]+product[k][p];
+
+                    
+
+                    printf("%d\n",sum[k][p]);
+
+                    
+
+                }
+
+        
+
+            }
+
+
+            
+
+    } // Closing of else Statement
+
+        
+
+        
+
+}
+
+    
+
+