1/*2* Licensed to the Apache Software Foundation (ASF) under one or more3* contributor license agreements. See the NOTICE file distributed with4* this work for additional information regarding copyright ownership.5* The ASF licenses this file to You under the Apache License, Version 2.06* (the "License"); you may not use this file except in compliance with7* the License. You may obtain a copy of the License at8*9* http://www.apache.org/licenses/LICENSE-2.010*11* Unless required by applicable law or agreed to in writing, software12* 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 and15* limitations under the License.16*/17 18packageorg.apache.commons.math3.analysis; 19 20/**21* An interface representing a real function that depends on one independent22* variable plus some extra parameters.23*24* @since 3.025* @version $Id: ParametricUnivariateFunction.java 1364387 2012-07-22 18:14:11Z tn $26*/27publicinterfaceParametricUnivariateFunction { 28/**29* Compute the value of the function.30*31* @param x Point for which the function value should be computed.32* @param parameters Function parameters.33* @return the value.34*/35doublevalue(doublex,double... parameters); 36 37/**38* Compute the gradient of the function with respect to its parameters.39*40* @param x Point for which the function value should be computed.41* @param parameters Function parameters.42* @return the value.43*/44double[] gradient(doublex,double... parameters); 45 }