def proximal(self):
"""Proximal factory of the quadratically perturbed functional."""
if self.quadratic_coeff < 0:
raise TypeError('`quadratic_coeff` {} must be non-negative'
''.format(self.quadratic_coeff))
return proximal_quadratic_perturbation(self.functional.proximal,
a=self.quadratic_coeff,
u=self.linear_term)
def proximal(self):
"""Proximal factory of the linearly perturbed functional.
See Also
--------
odl.solvers.nonsmooth.proximal_operators.\
proximal_quadratic_perturbation
"""
return proximal_quadratic_perturbation(
self.functional.proximal, a=0, u=self.linear_term)
def proximal(self):
"""Proximal factory of the linearly perturbed functional.
See Also
--------
odl.solvers.nonsmooth.proximal_operators.\
proximal_quadratic_perturbation
"""
return proximal_quadratic_perturbation(self.functional.proximal,
a=0,
u=self.linear_term)