bi_ XdZddlmZddlZddlmZddlmZddl m Z GddeeZ y) a+ Copyright, the CVXPY authors 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)AffAtom)AxisAtom) ExpressionceZdZdZddededdffd Zejde jfdZ de edffd Z defd Zdefd Zdefd Zdefd ZdefdZdefdZxZS)cumprodz Cumulative product of the elements of an expression. Attributes ---------- expr : CVXPY expression The expression being multiplied. axis : int The axis to multiply across. expraxisreturnNc.tt| ||y)N)superr__init__)selfr r __class__s N/home/cdr/jupyterlab/.venv/lib/python3.12/site-packages/cvxpy/atoms/cumprod.pyrzcumprod.__init__$s gt%dD1cJtj|d|jS)zS Returns the cumulative product of the elements of the expression. rr )nprr rvaluess rnumericzcumprod.numeric's zz&)$))44r.c4|jdjS)zThe same as the input.r)argsshapers rshape_from_argszcumprod.shape_from_args.syy|!!!rcy)zIs the atom convex?Frs ris_atom_convexzcumprod.is_atom_convex2rcy)zIs the atom concave?Frrs ris_atom_concavezcumprod.is_atom_concave6r!rcy)zIs the atom log-log convex?Trrs ris_atom_log_log_convexzcumprod.is_atom_log_log_convex:rcy)zIs the atom log-log concave?Trrs ris_atom_log_log_concavezcumprod.is_atom_log_log_concave>r&rcgS)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. rrs r_gradz cumprod._gradBs  rc|jgS)z"Returns the axis being multiplied.rrs rget_datazcumprod.get_dataPs {r)r)__name__ __module__ __qualname____doc__rintrr numpy_numericrndarrayrrrboolr r#r%r(listr*r, __classcell__)rs@rrrs 2Z2s242 555 "sCx" t $rr) r0typingrnumpyrcvxpy.atoms.affine.affine_atomrcvxpy.atoms.axis_atomrcvxpy.expressions.expressionrrrrrr<s)2*39gx9r