1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.commons.math.analysis; 19 20 import org.apache.commons.math.FunctionEvaluationException; 21 22 /** 23 * An interface representing a multivariate real function. 24 * @version $Revision: 1070725 $ $Date: 2011-02-15 02:31:12 +0100 (mar. 15 fvr. 2011) $ 25 * @since 2.0 26 */ 27 public interface MultivariateRealFunction { 28 29 /** 30 * Compute the value for the function at the given point. 31 * @param point point at which the function must be evaluated 32 * @return function value for the given point 33 * @exception FunctionEvaluationException if the function evaluation fails 34 * @exception IllegalArgumentException if points dimension is wrong 35 */ 36 double value(double[] point) 37 throws FunctionEvaluationException, IllegalArgumentException; 38 39 } 40
