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/* * 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.math3.analysis.differentiation; import org.apache.commons.math3.analysis.UnivariateFunction; import org.apache.commons.math3.exception.MathIllegalArgumentException; /** Interface for univariate functions derivatives. * <p>This interface represents a simple function which computes * both the value and the first derivative of a mathematical function. * The derivative is computed with respect to the input variable.</p> * @see UnivariateDifferentiableFunction * @see UnivariateFunctionDifferentiator * @since 3.1 * @version $Id: UnivariateDifferentiableFunction.java 1416643 2012-12-03 19:37:14Z tn $ */ public interface UnivariateDifferentiableFunction extends UnivariateFunction { /** Simple mathematical function. * <p>{@link UnivariateDifferentiableFunction} classes compute both the * value and the first derivative of the function.</p> * @param t function input value * @return function result * @exception MathIllegalArgumentException if {@code t} does not * fulfill functions constraints (argument out of bound, or unsupported * derivative order for example) */ DerivativeStructure value(DerivativeStructure t) throws MathIllegalArgumentException; }