Python code - kronecker product

Kronecker product - numpy

numpy.kron(a, b)[source]

a, b์—๋Š” kronecker product๋ฅผ ๊ตฌํ•˜๊ณ ์ž ํ•˜๋Š” ํ–‰๋ ฌ์ด ๊ฐ๊ฐ ํŒŒ๋ผ๋ฏธํ„ฐ๋กœ ๋“ค์–ด๊ฐ€๊ณ , kronecker product์˜ ๊ฒฐ๊ณผ๊ฐ’์„ ๋ฆฌํ„ดํ•ฉ๋‹ˆ๋‹ค.

Kronecker product MLE ๊ตฌํ˜„ํ•˜๊ธฐ

import numpy as np
G = [[1,0,1,1],[0,1,0,1],[1,0,1,1],[1,1,1,1]]
KM = [[0.5,0.2],[0.1,0.3]]
KM = np.kron(KM, KM)
P = 1
for i in range(KM.shape[0]):
  for j in range(KM.shape[1]):
    # G์— ์†ํ•  ๋•Œ.
    if G[i][j]==1:
      P = P*KM[i][j]
    # G์— ์†ํ•˜์ง€ ์•Š์„ ๋•Œ.
    else:
      P = P*(1-KM[i][j])
# P๋Š” kronecker ๋กœ๋ถ€ํ„ฐ ์ƒ์„ฑ๋œ ๊ทธ๋ž˜ํ”„๊ฐ€ ์‹ค์ œ G์ผ ํ™•๋ฅ ์„ ๋‚˜ํƒ€๋ƒ„.
print(P)

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