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  1. Prepare
  2. Python
  3. Numpy
  4. Dot and Cross
  5. Discussions

Dot and Cross

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359 Discussions

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  • mohamedhari317
     + 0 comments
    import numpy
n=int(input())
a=numpy.array([input().split() for _ in range(n)],int)
b=numpy.array([input().split() for _ in range(n)],int)
print(numpy.dot(a,b))

  • asterial1116
     + 0 comments
    import numpy
N = int(input())
a = numpy.array([input().split() for _ in range(N)], int)
b = numpy.array([input().split() for _ in range(N)], int)

print(a @ b)

  • nice00guy69
     + 0 comments
    import numpy as np

N = int(input())
A1 = np.array([input().split() for _ in range(N)], int)
A2 = np.array([input().split() for _ in range(N)], int)
print(np.dot(A1, A2))

  • SVVBathini_w
     + 0 comments

    For Python3 Platform

    import numpy

N = int(input())
A = numpy.array([input().split() for _ in range(N)], int)
B = numpy.array([input().split() for _ in range(N)], int)

print(numpy.matmul(A, B))

  • dilajevolves
     + 0 comments
    import numpy as np
N = int(input())
A = [list(map(int,input().split())) for _ in range(N)]
B = [list(map(int,input().split())) for _ in range(N)]
all_ind_sum = [[] for _ in range(N)]
for i in range(N):
    for j in range(N):
        ind_sum = 0
        for k in range(N):
            ind_sum += A[i][k] * B[k][j]
        all_ind_sum[i].append(ind_sum)
print(np.array(all_ind_sum))