mat.py

mat.py

+def sub(M,m,n,x,y):
+    import numpy as np
+    inp = [[0 for a in range (m)]for s in range (n)]
+    mi = np.array(M)
+    for i in range(x,x+m):
+        for j in range(y,y+n):
+            inp[i-x][j-y]=mi[i,j]
+
+    print(inp)