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Last change
on this file since 1223 was
1190,
checked in by Maciej Komosinski, 2 years ago
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Added the "evolalg" module for evolutionary optimization
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File size:
401 bytes
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| 1 | import numpy as np |
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| 2 | |
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| 3 | |
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| 4 | def remove_diagonal(arrays): |
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| 5 | numpy_arrays = np.array(arrays) |
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| 6 | n_of_arrays = numpy_arrays.shape[0] |
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| 7 | strided = np.lib.stride_tricks.as_strided |
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| 8 | stride_0, stride_1 = numpy_arrays.strides |
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| 9 | return strided(numpy_arrays.ravel()[1:], |
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| 10 | shape=(n_of_arrays-1, n_of_arrays), |
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| 11 | strides=(stride_0+stride_1, stride_1)).reshape(n_of_arrays, -1) |
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