1 /* 2 * Licensed to the Hipparchus project 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 Hipparchus project 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 * https://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 package org.hipparchus.analysis.differentiation; 18 19 /** Interface representing an object holding partial derivatives. 20 * @see Derivative 21 * @see TaylorMap 22 * @see FieldDerivative 23 * @see FieldTaylorMap 24 * @since 3.1 25 */ 26 public interface DifferentialAlgebra { 27 28 /** Get the number of free parameters. 29 * @return number of free parameters 30 */ 31 int getFreeParameters(); 32 33 /** Get the maximum derivation order. 34 * @return maximum derivation order 35 */ 36 int getOrder(); 37 38 }