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added ARD flag to exponential

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This commit is contained in:
Nicolas 2013-01-18 15:14:23 +00:00
parent 17ec4d6275
commit 11d088cf90
3 changed files with 39 additions and 39 deletions
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22
GPy/kern/constructors.py
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@ -36,20 +36,6 @@ def rbf(D,variance=1., lengthscale=None,ARD=False):
part = rbfpart(D,variance,lengthscale,ARD)
return kern(D, [part])
def rbf_ARD(D,variance=1., lengthscales=None):
"""
Construct an RBF kernel with Automatic Relevance Determination (ARD)
:param D: dimensionality of the kernel, obligatory
:type D: int
:param variance: the variance of the kernel
:type variance: float
:param lengthscales: the lengthscales of the kernel
:type lengthscales: None|np.ndarray
"""
part = rbf_ARD_part(D,variance,lengthscales)
return kern(D, [part])
def linear(D,lengthscales=None):
"""
Construct a linear kernel.
@ -86,7 +72,7 @@ def white(D,variance=1.):
part = whitepart(D,variance)
return kern(D, [part])
def exponential(D,variance=1., lengthscales=None):
def exponential(D,variance=1., lengthscale=None, ARD=False):
"""
Construct a exponential kernel.
@ -96,10 +82,10 @@ def exponential(D,variance=1., lengthscales=None):
variance (float)
lengthscales (np.ndarray)
"""
part = exponentialpart(D,variance, lengthscales)
part = exponentialpart(D,variance, lengthscale, ARD)
return kern(D, [part])
def Matern32(D,variance=1., lengthscales=None):
def Matern32(D,variance=1., lengthscale=None, ARD=False):
"""
Construct a Matern 3/2 kernel.
@ -109,7 +95,7 @@ def Matern32(D,variance=1., lengthscales=None):
variance (float)
lengthscales (np.ndarray)
"""
part = Matern32part(D,variance, lengthscales)
part = Matern32part(D,variance, lengthscale, ARD)
return kern(D, [part])
def Matern52(D,variance=1., lengthscales=None):