Source code for gemseo.uncertainty.distributions.openturns.triangular

# -*- coding: utf-8 -*-
# Copyright 2021 IRT Saint Exupéry, https://www.irt-saintexupery.com
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

# Contributors:
#    INITIAL AUTHORS - initial API and implementation and/or initial
#                           documentation
#        :author: Matthias De Lozzo
#    OTHER AUTHORS   - MACROSCOPIC CHANGES

"""Class to create a triangular distribution from the OpenTURNS library.

This class inherits from :class:.OTDistribution.
"""

from __future__ import division, unicode_literals

from typing import Optional

from gemseo.uncertainty.distributions.openturns.distribution import OTDistribution

[docs]class OTTriangularDistribution(OTDistribution): """Create a triangular distribution. Example: >>> from gemseo.uncertainty.distributions.openturns.triangular import ( ... OTTriangularDistribution ... ) >>> distribution = OTTriangularDistribution('x', -1, 0, 1) >>> print(distribution) Triangular(lower=-1, mode=0, upper=1) """ def __init__( self, variable, # type: str minimum=0.0, # type: float mode=0.5, # type: float maximum=1.0, # type: float dimension=1, # type: int transformation=None, # type: Optional[str] lower_bound=None, # type: Optional[float] upper_bound=None, # type: Optional[float] threshold=0.5, # type: float ): # noqa: D205,D212,D415 # type: (...) -> None """ Args: variable: The name of the triangular random variable. minimum: The minimum of the triangular random variable. mode: The mode of the triangular random variable. maximum: The maximum of the random variable. dimension: The dimension of the triangular random variable. transformation: A transformation applied to the random variable, e.g. 'sin(x)'. If None, no transformation. lower_bound: A lower bound to truncate the distribution. If None, no lower truncation. upper_bound: An upper bound to truncate the distribution. If None, no upper truncation. threshold: A threshold in [0,1]. """ standard_parameters = { self._LOWER: minimum, self._MODE: mode, self._UPPER: maximum, } super(OTTriangularDistribution, self).__init__( variable, "Triangular", (minimum, mode, maximum), dimension, standard_parameters, transformation, lower_bound, upper_bound, threshold, )