wehub-resource-sync
28 lines
590 B
Python
Executable File
28 lines
590 B
Python
Executable File
import numpy as np
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class Kernel(object):
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"""
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Base class for kernel function
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"""
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def _pairwise(self, x, y):
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"""
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all pairs of x and y
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Parameters
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----------
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x : (sample_size, n_features)
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input
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y : (sample_size, n_features)
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another input
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Returns
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-------
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output : tuple
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two array with shape (sample_size, sample_size, n_features)
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"""
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return (
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np.tile(x, (len(y), 1, 1)).transpose(1, 0, 2),
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np.tile(y, (len(x), 1, 1))
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) |