Add files via upload

soumenprogramming · web-flow · commit e92be422719d · 2023-08-23T20:43:20.000+05:30
diff --git a/MatrixMultiplication.java b/MatrixMultiplication.java
@@ -0,0 +1,55 @@
+import java.util.*;
+
+public class MatrixMultiplication {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+
+        System.out.println("Enter the number of rows for the first matrix:");
+        int aRows = sc.nextInt();
+        System.out.println("Enter the number of columns for the first matrix:");
+        int aCols = sc.nextInt();
+        int a[][] = new int[aRows][aCols];
+
+        System.out.println("Enter the elements for the first matrix:");
+        for (int i = 0; i < aRows; i++) {
+            for (int j = 0; j < aCols; j++) {
+                a[i][j] = sc.nextInt();
+            }
+        }
+
+        System.out.println("Enter the number of rows for the second matrix:");
+        int bRows = sc.nextInt();
+        System.out.println("Enter the number of columns for the second matrix:");
+        int bCols = sc.nextInt();
+        int b[][] = new int[bRows][bCols];
+
+        System.out.println("Enter the elements for the second matrix:");
+        for (int i = 0; i < bRows; i++) {
+            for (int j = 0; j < bCols; j++) {
+                b[i][j] = sc.nextInt();
+            }
+        }
+
+        if (aCols != bRows) {
+            System.out.println("Matrices cannot be multiplied. Invalid dimensions.");
+        } else {
+            int result[][] = new int[aRows][bCols];
+            for (int i = 0; i < aRows; i++) {
+                for (int j = 0; j < bCols; j++) {
+                    result[i][j] = 0;
+                    for (int k = 0; k < aCols; k++) {
+                        result[i][j] += a[i][k] * b[k][j];
+                    }
+                }
+            }
+
+            System.out.println("After multiplying the matrices:");
+            for (int i = 0; i < aRows; i++) {
+                for (int j = 0; j < bCols; j++) {
+                    System.out.print(result[i][j] + " ");
+                }
+                System.out.println();
+            }
+        }
+    }
+}
