| /* |
| * 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.differentiation; |
| |
| import org.apache.commons.math4.legacy.analysis.MultivariateFunction; |
| import org.apache.commons.math4.legacy.exception.MathIllegalArgumentException; |
| |
| /** |
| * Extension of {@link MultivariateFunction} representing a |
| * multivariate differentiable real function. |
| * @since 3.1 |
| */ |
| public interface MultivariateDifferentiableFunction extends 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. |
| * @exception MathIllegalArgumentException if {@code point} does not |
| * satisfy the function's constraints (wrong dimension, argument out of bound, |
| * or unsupported derivative order for example) |
| */ |
| DerivativeStructure value(DerivativeStructure[] point) |
| throws MathIllegalArgumentException; |
| |
| } |