| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| package org.apache.commons.math4.legacy.analysis; |
| |
| /** |
| * An interface representing a multivariate real function. |
| * |
| * @since 2.0 |
| */ |
| public interface MultivariateFunction { |
| |
| /** |
| * Compute the value for the function at the given point. |
| * |
| * @param point Point at which the function must be evaluated. |
| * @return the function value for the given point. |
| * @throws org.apache.commons.math4.legacy.exception.DimensionMismatchException |
| * if the parameter's dimension is wrong for the function being evaluated. |
| * @throws org.apache.commons.math4.legacy.exception.MathIllegalArgumentException |
| * when the activated method itself can ascertain that preconditions, |
| * specified in the API expressed at the level of the activated method, |
| * have been violated. In the vast majority of cases where Commons Math |
| * throws this exception, it is the result of argument checking of actual |
| * parameters immediately passed to a method. |
| */ |
| double value(double[] point); |
| } |
