From f33d1d0c8baf484395cc8d05c49901fbdc3128f8 Mon Sep 17 00:00:00 2001
From: Lavanya Goyal <87686764+Lavanya11G@users.noreply.github.com>
Date: Sat, 8 Oct 2022 23:12:55 +0530
Subject: [PATCH] Create matrix.cpp

Created a matrix
gives the sum of 2 matrix
difference
multiplication
and transpose of the  matrix

closes #738
---
 C++/matrix.cpp | 140 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 C++/matrix.cpp

diff --git a/C++/matrix.cpp b/C++/matrix.cpp
new file mode 100644
index 00000000..466fc57c
--- /dev/null
+++ b/C++/matrix.cpp
@@ -0,0 +1,140 @@
+#include <iostream>
+using namespace std;
+class matrix
+{
+public:
+    int a[4][4], b[4][4], c[4][4], d[4][4], r, s, i, j,k;
+    void get();
+    void put();
+    void sum();
+    void diff();
+    void Multi();
+    void trans();
+};
+
+void matrix ::get()
+{
+    cout << "\n enter the no. of rows & columns\n";
+    cin >> r >> s;
+    cout << "\n Enter " << r * s << " elements\n";
+    for (i = 0; i < r; i++)
+    {
+        for (j = 0; j < s; j++)
+        {
+            cin >> a[j][i];
+        }
+    }
+    cout << "\n Enter elements of second Matrix are\n";
+    for (i = 0; i < r; i++)
+    {
+        for (j = 0; j < s; j++)
+        {
+            cin >> b[j][i];
+        }
+    }
+}
+void matrix ::put()
+{
+    cout << "\n Elements in the matrix are:\n";
+    for (i = 0; i < r; i++)
+    {
+        for (j = 0; j < s; j++)
+        {
+            cout << "\t" << a[i][j];
+        }
+        cout << "\n";
+    }
+    cout << "\n Elements in the 2nd matrix are:\n";
+    for (i = 0; i < r; i++)
+    {
+        for (j = 0; j < s; j++)
+        {
+            cout << "\t" << b[i][j];
+        }
+        cout << "\n";
+    }
+}
+void matrix ::sum()
+{
+    cout << "Sum of Matrices 1 and 2 is\n";
+    for (i = 0; i < r; i++)
+    {
+        for (j = 0; j < s; j++)
+        {
+            c[i][j] = a[i][j] + b[i][j];
+            cout << c[i][j] << " ";
+        }
+        cout << endl;
+    }
+}
+void matrix ::diff()
+{
+    cout << "Diffrence of Matrices 1 and 2 is\n";
+    for (i = 0; i < r; i++)
+    {
+        for (j = 0; j < s; j++)
+        {
+            d[i][j] = a[i][j] - b[i][j];
+            cout << d[i][j] << " ";
+        }
+        cout << endl;
+    }
+}
+void matrix ::Multi()
+{
+    cout << "Multiplication of Matrices 1 and 2 is\n";
+    {
+            for(i=0;i<r;i++)    
+            {    
+                for(j=0;j<s;j++)    
+                {    
+                    d[i][j]=0;    
+                    for(k=0;k<r;k++)    
+                    {    
+                        d[i][j]+=a[i][k]*b[k][j];    
+                    }    
+                }    
+            }
+            for(i=0;i<r;i++)    
+            {    
+                for(j=0;j<s;j++)    
+                    {    
+                        cout<<d[i][j]<<" ";    
+                    }    
+                cout<<"\n";    
+            }
+        }
+
+}
+void matrix ::trans()
+{
+    cout << "Transpose of the matrix is:\n";
+    for (i = 0; i < r; i++)
+    {
+        for (j = 0; j < s; j++)
+        {
+            c[i][j] = a[j][i];
+            cout << c[i][j] << " ";
+        }
+        cout << endl;
+    }
+}
+int main()
+{
+    matrix ob;
+    char ch;
+    do
+    {
+        ob.get();
+        ob.put();
+        ob.sum();
+        ob.diff();
+        ob.Multi();
+        ob.trans();
+        cout << "Do You want to do another set of opertions y/n??\n";
+        cin >> ch;
+    } while (ch != 'n');
+    cout << "Thank You!!\n";
+    system("pause");
+    return 0;
+}