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bug fix (kernel copy) in mrd

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This commit is contained in:
Max Zwiessele 2013-05-22 17:39:27 +01:00
parent 3e7b833d0f
commit 8f5d577bbb
4 changed files with 12 additions and 12 deletions
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6
GPy/core/transformations.py
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@ -39,8 +39,8 @@ class logexp(transformation):
return '(+ve)'
class logexp_clipped(transformation):
max_bound = 1e250
min_bound = 1e-9
max_bound = 1e300
min_bound = 1e-10
log_max_bound = np.log(max_bound)
log_min_bound = np.log(min_bound)
def __init__(self, lower=1e-6):
@ -51,7 +51,7 @@ class logexp_clipped(transformation):
f = np.log(1. + exp)
# if np.isnan(f).any():
# import ipdb;ipdb.set_trace()
return f
return np.clip(f, self.min_bound, self.max_bound)
def finv(self, f):
return np.log(np.exp(np.clip(f, self.min_bound, self.max_bound)) - 1.)
def gradfactor(self, f):