/*
* 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.interpolation;
import org.apache.commons.math.MathException;
import org.apache.commons.math.analysis.MultivariateRealFunction;
/**
* Interface representing a univariate real interpolating function.
*
* @since 2.1
* @version $Revision: 924794 $ $Date: 2010-03-18 15:15:50 +0100 (jeu. 18 mars 2010) $
*/
public interface MultivariateRealInterpolator {
/**
* Computes an interpolating function for the data set.
*
* @param xval the arguments for the interpolation points.
* {@code xval[i][0]} is the first component of interpolation point
* {@code i}, {@code xval[i][1]} is the second component, and so on
* until {@code xval[i][d-1]}, the last component of that interpolation
* point (where {@code d} is thus the dimension of the space).
* @param yval the values for the interpolation points
* @return a function which interpolates the data set
* @throws MathException if arguments violate assumptions made by the
* interpolation algorithm or some dimension mismatch occurs
* @throws IllegalArgumentException if there are no data (xval null or zero length)
*/
MultivariateRealFunction interpolate(double[][] xval, double[] yval)
throws MathException, IllegalArgumentException;
}