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fix to L1 prior cost computation

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This commit is contained in:
Pawel Swietojanski 2015-11-03 14:08:23 +00:00
parent 873817d72f
commit 07f0fa8644
1 changed files with 1 additions and 1 deletions
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2
mlp/optimisers.py
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@ -76,7 +76,7 @@ class Optimiser(object):
if l2_weight > 0: if l2_weight > 0:
l2_cost += 0.5 * l2_weight * numpy.sum(param**2) l2_cost += 0.5 * l2_weight * numpy.sum(param**2)
if l1_weight > 0: if l1_weight > 0:
l1_cost += l1_weight * numpy.sum(numpy.sign(param)) l1_cost += l1_weight * numpy.sum(numpy.abs(param))
return l1_cost, l2_cost return l1_cost, l2_cost