/******************************************************************************* * * Copyright 2010 Alexandru Craciun, and individual contributors as indicated * by the @authors tag. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 3 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. ******************************************************************************/ package org.netxilia.functions; import org.netxilia.spi.formula.Functions; /* * */ @Functions public class ArrayFunctions { /** * Calculates the frequency distribution in a one-column-array. The default value supply and the number of intervals * or classes are used to count how many values are omitted on the single intervals. Data is the array of, or * reference to, the set of values to be counted. Classes is the array of the class set. */ // public int[] FREQUENCY(Iterator<Double> data, Iterator<Double>classes ){ // // } // public double[] GROWTH(data_Y, data_X, new_data_X, function_type) { // // } // // public double[] LINEST(data_Y, data_X, linear_type, stats){ // // } // public double[] LOGEST(data_Y, data_X, function_type, stats){ // // } /** * Returns the array determinant of an array. This function returns a value in the current cell, it is not necessary * to define a range for the results. Array is a square array in which the determinants are defined. */ // public double MDETERM(array){ // // } // public double [][] MINVERSE(array){ // // } // // public double[][] MMULT(array, array){ // // } /** * Multiplies corresponding elements in the given arrays, and returns the sum of those products. Array 1, array * 2,...array 30 are arrays whose corresponding elements are to be multiplied. At least one array must be part of * the argument list. If only one array is given, all array elements are summed. * * @return */ // public double SUMPRODUCT(array 1, array 2, ...array 30){ // // } /** * Returns the sum of the difference of squares of corresponding values in two arrays. Array_X is the first array * whose elements are to be squared and added. Array_Y is the second array whose elements are to be squared and * subtracted. * * @return */ // public double SUMX2MY2(array_X, array_Y){ // // } /** * Returns the sum of the sum of squares of corresponding values in two arrays. Array_X is the first array whose * arguments are to be squared and added. Array_Y is the second array, whose elements are to be added and squared. */ // public double SUMX2PY2(array_X, array_Y){ // // } // public double SUMXMY2(array_X, array_Y){ // // } // public double [][] TRANSPOSE(array){ // // } // public double [] TREND(data_Y, data_X, new_data_X, linear_Type){ // // } }