Merge pull request #616 from Adarsh88/master

Added matrix files

Author: smv1999

2D Arrays/sort_matrix_diagonally.py

@@ -0,0 +1,31 @@
+def sortDiagonal(a, M, N):
+     
+    # Loop to find the ith minimum
+    # element from the major diagonally
+    for i in range(M):
+        sm = a[i][i]
+        pos = i
+         
+        # Loop to find the minimum
+        # element from the unsorted matrix
+        for j in range(i + 1 , N):
+            if (sm > a[j][j]):
+                sm = a[j][j]
+                pos = j
+                 
+        # Swap to put the minimum
+        # element at the beginning of
+        # the major diagonal of matrix
+        a[i][i], a[pos][pos] = a[pos][pos] , a[i][i]
+         
+    # Loop to print the matrix
+    for i in range(M):
+        for j in range(N):
+            print(a[i][j],end=" ")
+        print()
+ 
+# Driven Code
+a = [[4, 2],[3, 1]]
+ 
+# Sort the major Diagonally
+sortDiagonal(a, 2, 2)