001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018package org.apache.commons.math4.legacy.analysis; 019 020/** 021 * An interface representing a multivariate vectorial function. 022 * @since 2.0 023 */ 024public interface MultivariateVectorFunction { 025 026 /** 027 * Compute the value for the function at the given point. 028 * @param point point at which the function must be evaluated 029 * @return function value for the given point 030 * @exception IllegalArgumentException if point's dimension is wrong 031 */ 032 double[] value(double[] point) 033 throws IllegalArgumentException; 034}