L1 norm, that is, the sum of absolute values:
\[\alpha\sum_i^d |x_i|\]
- Parameters
alpha (float) – constant multiplying the L1 norm
-
__init__(alpha)[source]
Initialize self. See help(type(self)) for accurate signature.
Methods
__init__(alpha)
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Initialize self. |
prox(x, step_size)
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prox_factory(n_features)
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