8000 [MRG+1] DOC fix the equation in gaussian_process.kernels.ExpSineSquared by qinhanmin2014 · Pull Request #9224 · scikit-learn/scikit-learn · GitHub
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[MRG+1] DOC fix the equation in gaussian_process.kernels.ExpSineSquared #9224

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Merged
merged 4 commits into from
Jun 29, 2017
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[MRG+1] DOC fix the equation in gaussian_process.kernels.ExpSineSquared #9224

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a8b7e81
add missing left bracket
qinhanmin2014 Jun 26, 2017
92adfa9
add missing right bracket
qinhanmin2014 Jun 26, 2017
6afb21f
fix test
qinhanmin2014 Jun 26, 2017
aab0eec
fix test
qinhanmin2014 Jun 26, 2017
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3 changes: 2 additions & 1 deletion sklearn/gaussian_process/kernels.py
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Expand Up @@ -1512,7 +1512,8 @@ class ExpSineSquared(StationaryKernelMixin, NormalizedKernelMixin, Kernel):
parameter periodicity>0. Only the isotropic variant where l is a scalar is
supported at the moment. The kernel given by:

k(x_i, x_j) = exp(-2 sin(\pi / periodicity * d(x_i, x_j)) / length_scale)^2
k(x_i, x_j) =
exp(-2 (sin(\pi / periodicity * d(x_i, x_j)) / length_scale) ^ 2)

.. versionadded:: 0.18

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