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hatappi/pycallでnumpyを使っての行列の計算.rb

Last active July 21, 2017 05:30
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pycallでnumpyを使っての行列の計算.rb
require 'pycall/import'
include PyCall::Import
pyimport 'numpy', as: :np
x = np.matrix.([[1,2], [3, 4]])
# => matrix([[1, 2],
# [3, 4]])
y = np.matrix.([[5,6], [7, 8]])
# => matrix([[5, 6],
# [7, 8]])
z = x * y
# => matrix([[19, 22],
# [43, 50]])
z.max.()
# => 50
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