Java tutorial
/* * 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.math.analysis; import org.apache.commons.math.FunctionEvaluationException; /** * An interface representing a multivariate real function. * @version $Revision: 1070725 $ $Date: 2011-02-15 02:31:12 +0100 (mar. 15 fvr. 2011) $ * @since 2.0 */ public interface MultivariateRealFunction { /** * Compute the value for the function at the given point. * @param point point at which the function must be evaluated * @return function value for the given point * @exception FunctionEvaluationException if the function evaluation fails * @exception IllegalArgumentException if points dimension is wrong */ double value(double[] point) throws FunctionEvaluationException, IllegalArgumentException; }