Added Matrix-operations.py

program/Python/Matrix-Operations.py

@@ -0,0 +1,143 @@
+def createMatrix():
+  matrix = []
+
+  ms=int(input("Enter no. of matrices to create: "))
+
+  for i in range(ms):
+    print("\nMatrix %i"%(i+1))
+    r=int(input("\tEnter no. of rows: "))
+    c=int(input("\tEnter no. of columns: "))
+
+    m=[]
+    b=[]
+
+    for i in range(r):
+      for j in range(c):
+        v= int(input("\tEnter value for row "+str(i)+" column "+str(j)+": "))
+        b.append(v)
+      m.append(b)
+      b=[]
+
+    matrix.append(m)
+
+  return matrix
+
+matrix = createMatrix()
+
+
+m1 = matrix[0]
+m2 = matrix[1]
+print(m1)
+print(m2)
+
+def display1(m1):
+    print("Matrix 1 is : ")
+    for i in m1:
+        print()
+        for j in i:
+
+
+            print(j,end="  ")
+display1(m1)
+def display2(m2):
+    print("\nMatrix 2 is : ")
+    for a in m2:
+        print()
+        for b in a:
+
+
+            print( b,end="  ")
+
+display2(m2)
+c=[]
+
+
+
+
+
+
+#SUM
+
+for i in range(len(m1)):
+  if (len(m1) != len(m2)) or (len(m1[i]) != len(m2[i])):
+    print("Not possible")
+    break
+  list=[]
+  for j in range(len(m1[i])):
+    c.append(m1[i][j]+m2[i][j])
+
+nrow =[c[0],c[1]]
+ncol =[c[2],c[3]]
+list.append(nrow)
+list.append(ncol)
+
+
+print("\n\nSum Of the matrix is : ")
+
+
+for sum in list:
+    print()
+    for p in sum:    
+        print( p,end="  ")
+
+def multiply(m1,m2):
+    if len(m1[1]) != len(m2[0]):
+        print("multiplication is not possible")
+    else:    
+
+        result = [[0,0],[0,0]]
+
+        for q in range(len(m1)):
+
+
+            for w in range(len(m2[0])):
+
+
+                for e in range(len(m2)):
+                    result[q][w] += m1[q][e] * m2[e][w]
+
+
+    mul = []
+    for r in result:
+
+        mul.append(r)
+    return mul
+
+print('\n\nMultiplication of matrices is :')
+for pro in multiply(m1,m2):
+    print()
+    for z in pro:    
+        print( z,end="  ")
+
+
+
+
+
+def transpose(matrix):
+    rows = len(matrix)
+    columns = len(matrix[0])
+
+    matrix_T = []
+    for j in range(columns):
+        row = []
+        for i in range(rows):
+           row.append(matrix[i][j])
+        matrix_T.append(row)
+
+    return matrix_T
+
+
+print("\n\nTranspose of matrix 1 : ")
+
+for t1 in transpose(m1):
+    print()
+    for trans1 in t1:    
+        print( trans1,end="  ")
+
+
+print("\n\nTranspose of matrix 2 : ")
+
+for t2 in transpose(m2):
+    print()
+    for trans2 in t2:    
+        print( trans2,end="  ")