apunkt/GPy
1
0
Fork 0
mirror of https://github.com/SheffieldML/GPy.git synced 2026-05-11 21:12:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

WARNING: added parameter clipping for catching infinity problems [p in (-1e300, 1e300)]

Browse source
This commit is contained in:
Max Zwiessele 2013-05-16 13:29:56 +01:00
parent 8bc31d4a9c
commit 835632e985
1 changed files with 4 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

7
GPy/kern/kern.py
View file

@ -61,7 +61,7 @@ class kern(parameterised):
ax.bar(np.arange(len(ard_params)) - 0.4, ard_params)
ax.set_xticks(np.arange(len(ard_params)))
ax.set_xticklabels([r"${}$".format(i + 1) for i in range(len(ard_params))])
ax.set_xticklabels([r"${}$".format(i) for i in range(len(ard_params))])
return ax
def _transform_gradients(self, g):
@ -176,8 +176,8 @@ class kern(parameterised):
prev_constr_ind = [K1.constrained_indices] + [K1.Nparam + i for i in K2.constrained_indices]
prev_constr = K1.constraints + K2.constraints
prev_constr_fix = K1.fixed_indices + [arr + K1.Nparam for arr in K2.fixed_indices]
prev_constr_fix_values = K1.fixed_values + K2.fixed_values
# prev_constr_fix = K1.fixed_indices + [arr + K1.Nparam for arr in K2.fixed_indices]
# prev_constr_fix_values = K1.fixed_values + K2.fixed_values
# follow the previous ties
for arr in prev_ties:
@ -196,6 +196,7 @@ class kern(parameterised):
return np.hstack([p._get_params() for p in self.parts])
def _set_params(self, x):
x = np.clip(x, -1e300, 1e300)
[p._set_params(x[s]) for p, s in zip(self.parts, self.param_slices)]
def _get_param_names(self):