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matrix multiplication in python

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Mero answered on November 5, 2022 Popularity 10/10 Helpfulness 3/10

answer matrix multiplication in python

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matrix multiplication in python

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A = np.array( [ [1,1,0],[1, -2, 1], [2,1,2]])  #C^3*3 
X = np.array( [[1,2,-2]]) #C^1*3 

C=A@X

Popularity 10/10 Helpfulness 3/10 Language python

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Tags: python

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Contributed on Nov 05 2022

Mero

0 Answers Avg Quality 2/10

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matrix multiplication python

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def multiply_matrix(a, b):
    if len(a[0]) != len(b):
        return 'matrix multiplication not possible'
    
    f = []
    for i in range(len(a)):
        f.append([])
        for j in range(len(b[0])):
            f[i].append(0)
            for index in range(len(b)):
                f[i][j] += a[i][index] * b[index][j]
    
    return f
  
TEST:
a = [
    [23, 41, 56],
    [85, 26, 63],
]

b = [
    [17, 34],
    [18, 38],
    [97, 69],
]

print(multiply_matrix(a, b))

OUTPUT:

[[6561, 6204]
 [8024, 8225]]

Popularity 10/10 Helpfulness 4/10 Language python

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Contributed on Apr 27 2023

Contended Cobra

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matrix multiplication in python

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import numpy as np

matrix1 = np.array([[1, 2], [3, 4]])
matrix2 = np.array([[5, 6], [7, 8]])

result = np.dot(matrix1, matrix2)
print(result)

Popularity 9/10 Helpfulness 4/10 Language python

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Contributed on Sep 11 2023

YOU.com

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matrix multiplication in python

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