copt.utils.
L1Norm
L1 norm, that is, the sum of absolute values:
Args: alpha: float
constant multiplying the L1 norm
__init__
Initialize self. See help(type(self)) for accurate signature.
Methods
__init__(alpha)
Initialize self.
prox(x, step_size)
prox
prox_factory(n_features)
prox_factory
Optimization in Python