def proximal(self):
        """Return the proximal factory of the functional.

        See Also
        --------
        odl.solvers.nonsmooth.proximal_operators.proximal_l1 :
            proximal factory for the L1-norm.
        odl.solvers.nonsmooth.proximal_operators.proximal_l2 :
            proximal factory for the L2-norm.
        """
        if self.exponent == 1:
            return proximal_l1(space=self.domain)
        elif self.exponent == 2:
            return proximal_l2(space=self.domain)
        elif self.exponent == np.inf:
            return proximal_linfty(space=self.domain)
        else:
            raise NotImplementedError('`proximal` only implemented for p=1, '
                                      'p=2, and p=inf')
def proximal ( self ) : if self . exponent == 1 : return proximal_l1 ( space = self . domain ) elif self . exponent == 2 : return proximal_l2 ( space = self . domain ) elif self . exponent == np . inf : return proximal_linfty ( space = self . domain ) else : raise NotImplementedError ( '`proximal` only implemented for p=1, ' 'p=2, and p=inf' )
Return the proximal factory of the functional.

        See Also
        --------
        odl.solvers.nonsmooth.proximal_operators.proximal_l1 :
            proximal factory for the L1-norm.
        odl.solvers.nonsmooth.proximal_operators.proximal_l2 :
            proximal factory for the L2-norm.