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Julian Ruestig authoredJulian Ruestig authored
variable.py 1.24 KiB
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Copyright(C) 2013-2018 Max-Planck-Society
#
# NIFTy is being developed at the Max-Planck-Institut fuer Astrophysik
# and financially supported by the Studienstiftung des deutschen Volkes.
from ..operators.scaling_operator import ScalingOperator
from .model import Model
class Variable(Model):
"""
Changes MultiField to be a Variable model.
Returns the MultiField.
"""
def __init__(self, position):
super(Variable, self).__init__(position)
self._value = position
self._gradient = ScalingOperator(1., position.domain)
def at(self, position):
return self.__class__(position)