bi6 >dZddlmZddlZddlmZGddeZy)a6 Copyright 2013 Steven Diamond, Eric Chu Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. )TupleN) ElementwiseceZdZdZd fd Zej dZdee e ffdZ de fdZ de fdZ de fdZ de fd Zde fd Zde fd Zd ZxZS)expzElementwise :math:`e^{x}`. returnc,tt| |y)N)superr__init__)selfx __class__s V/home/cdr/jupyterlab/.venv/lib/python3.12/site-packages/cvxpy/atoms/elementwise/exp.pyr z exp.__init__s c4!!$c2tj|dS)Nr)npr)r valuess rnumericz exp.numeric svvfQi  rcy)zCReturns sign (is positive, is negative) of the expression. )TFr s rsign_from_argszexp.sign_from_args$srcy)zIs the atom convex? Trrs ris_atom_convexzexp.is_atom_convex*rcy)zIs the atom concave? Frrs ris_atom_concavezexp.is_atom_concave/rcy)z$Is the atom log-log convex? Trrs ris_atom_log_log_convexzexp.is_atom_log_log_convex4rrcy)z%Is the atom log-log concave? Frrs ris_atom_log_log_concavezexp.is_atom_log_log_concave9rrcy)z;Is the composition non-decreasing in argument idx? Trr idxs ris_incrz exp.is_incr>rrcy)z;Is the composition non-increasing in argument idx? Frr#s ris_decrz exp.is_decrCrrc|jdj}|j}tj|d}tj |||gS)a+Gives the (sub/super)gradient of the atom w.r.t. each argument. Matrix expressions are vectorized, so the gradient is a matrix. Args: values: A list of numeric values for the arguments. Returns: A list of SciPy CSC sparse matrices or None. r)argssizerrelemwise_grad_to_diag)r rrowscols grad_valss r_gradz exp._gradHsJyy|  yyFF6!9% )))T4@AAr)rN)__name__ __module__ __qualname____doc__r r numpy_numericrrboolrrrrr!r%r'r/ __classcell__)r s@rrrs%!!dDj 1     d d Brr)r3typingrnumpyr#cvxpy.atoms.elementwise.elementwiserrrrrr:s# ;>B+>Br