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fixed stationary again

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This commit is contained in:
Max Zwiessele 2014-02-24 14:57:05 +00:00
parent 191db996a5
commit 2f3e0611f8
1 changed files with 2 additions and 2 deletions
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4
GPy/kern/_src/stationary.py
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@ -215,7 +215,7 @@ class Cosine(Stationary):
def __init__(self, input_dim, variance=1., lengthscale=None, ARD=False, name='Cosine'): def __init__(self, input_dim, variance=1., lengthscale=None, ARD=False, name='Cosine'):
super(Cosine, self).__init__(input_dim, variance, lengthscale, ARD, name) super(Cosine, self).__init__(input_dim, variance, lengthscale, ARD, name)
def K_of_r(self, r) def K_of_r(self, r):
return self.variance * np.cos(r) return self.variance * np.cos(r)
def dK_dr(self, r): def dK_dr(self, r):
@ -238,7 +238,7 @@ class RatQuad(Stationary):
self.power = Param('power', power, Logexp()) self.power = Param('power', power, Logexp())
self.add_parameters(self.power) self.add_parameters(self.power)
def K_of_r(self, r) def K_of_r(self, r):
return self.variance*(1. + r**2/2.)**(-self.power) return self.variance*(1. + r**2/2.)**(-self.power)
def dK_dr(self, r): def dK_dr(self, r):