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Changed kernels in tests (lots still failing, but now mostly for good reason rather than silly naming problems)

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This commit is contained in:
Alan Saul 2014-03-04 11:28:29 +00:00
parent ca40b9803a
commit 9888d768b5
7 changed files with 92 additions and 87 deletions
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6
GPy/mappings/kernel.py
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@ -17,7 +17,7 @@ class Kernel(Mapping):
:type X: ndarray
:param output_dim: dimension of output.
:type output_dim: int
:param kernel: a GPy kernel, defaults to GPy.kern.rbf
:param kernel: a GPy kernel, defaults to GPy.kern.RBF
:type kernel: GPy.kern.kern
"""
@ -25,7 +25,7 @@ class Kernel(Mapping):
def __init__(self, X, output_dim=1, kernel=None):
Mapping.__init__(self, input_dim=X.shape[1], output_dim=output_dim)
if kernel is None:
kernel = GPy.kern.rbf(self.input_dim)
kernel = GPy.kern.RBF(self.input_dim)
self.kern = kernel
self.X = X
self.num_data = X.shape[0]
@ -43,7 +43,7 @@ class Kernel(Mapping):
def _set_params(self, x):
self.A = x[:self.num_data * self.output_dim].reshape(self.num_data, self.output_dim).copy()
self.bias = x[self.num_data*self.output_dim:].copy()
def randomize(self):
self.A = np.random.randn(self.num_data, self.output_dim)/np.sqrt(self.num_data+1)
self.bias = np.random.randn(self.output_dim)/np.sqrt(self.num_data+1)