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redid constraints

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This commit is contained in:
Max Zwiessele 2014-02-12 17:11:55 +00:00
parent c0eddf29e7
commit a264cdaa98
8 changed files with 290 additions and 190 deletions
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5
GPy/core/parameterization/transformations.py
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@ -27,6 +27,8 @@ class Transformation(object):
raise NotImplementedError
def __str__(self):
raise NotImplementedError
def __repr__(self):
return self.__class__.__name__
class Logexp(Transformation):
domain = _POSITIVE
@ -56,7 +58,7 @@ class NegativeLogexp(Transformation):
return -self.logexp.initialize(f) # np.abs(f)
def __str__(self):
return '-ve'
class LogexpClipped(Logexp):
max_bound = 1e100
min_bound = 1e-10
@ -94,7 +96,6 @@ class LogexpClipped(Logexp):
def __str__(self):
return '+ve_c'
class Exponent(Transformation):
# TODO: can't allow this to go to zero, need to set a lower bound. Similar with negative Exponent below. See old MATLAB code.
domain = _POSITIVE