X = [[4,1,7],[2,1,8],[3 ,7,1]];
Y = [[6,8,1],[9,7,5],[2,3,1]];
result = [[0,0,0],[0,0,0],[0,0,0]];
for i in range(len(X)):
for j in range(len(Y[0])):
for k in range(len(Y)):
result[i][j] += X[i][k] * Y[k][j]
for r in result:
print(r)
Solve Problems by Coding Solutions - A Complete solution for python programming
Mathematical operators on Numpy Array and List
import numpy as np
a = np.array([1, 2, 3])
print(type(a))
print('Numpy Array:\n',a)
print('Addition of Numpy Arrays with constant:\n',a+13)
print('Addition of Numpy Arrays:\n',a+a)
print('Multiplication of Numpy Arrays with constant:\n',a*3)
print('Multiplication of Numpy Arrays with another:\n',a*a)
print('Divison of Numpy Arrays with constant:\n', a/3)
print('Divison of Numpy Arrays with another:\n', a/a)
print('Power of Numpy Arrays with constant:\n', a**4)
print('Power of Numpy Arrays with another:\n', a**a)
print('Remainder of Numpy Arrays with constant:\n',a%2)
print('Remainder of Numpy Arrays with another:\n',a%a)
print('Subtraction of Numpy Arrays with constant:\n', a-1)
print('Subtraction of Numpy Arrays with another:\n', a-a)
try:
a1=[1, 2, 3]
print('\n',type(a1))
print('Common List:\n', a1)
print('Addition of Lists:\n',a1+a1)
print('Multiplication of List with constant:\n',a1*3)
print(a1+13) #error
print(a1*a1) #error
print(a1/3) #error
print(a1/a1) #error
print(a1**4) #error
print(a1*a1) #error
print(a1%2) #error
print(a1%a1) #error
print(a1-1) #error
print(a1-a1) #error
except TypeError:
print('TypeError')
a = np.array([1, 2, 3])
print(type(a))
print('Numpy Array:\n',a)
print('Addition of Numpy Arrays with constant:\n',a+13)
print('Addition of Numpy Arrays:\n',a+a)
print('Multiplication of Numpy Arrays with constant:\n',a*3)
print('Multiplication of Numpy Arrays with another:\n',a*a)
print('Divison of Numpy Arrays with constant:\n', a/3)
print('Divison of Numpy Arrays with another:\n', a/a)
print('Power of Numpy Arrays with constant:\n', a**4)
print('Power of Numpy Arrays with another:\n', a**a)
print('Remainder of Numpy Arrays with constant:\n',a%2)
print('Remainder of Numpy Arrays with another:\n',a%a)
print('Subtraction of Numpy Arrays with constant:\n', a-1)
print('Subtraction of Numpy Arrays with another:\n', a-a)
try:
a1=[1, 2, 3]
print('\n',type(a1))
print('Common List:\n', a1)
print('Addition of Lists:\n',a1+a1)
print('Multiplication of List with constant:\n',a1*3)
print(a1+13) #error
print(a1*a1) #error
print(a1/3) #error
print(a1/a1) #error
print(a1**4) #error
print(a1*a1) #error
print(a1%2) #error
print(a1%a1) #error
print(a1-1) #error
print(a1-a1) #error
except TypeError:
print('TypeError')
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