org.opensourcephysics.numerics.qss
Class Utils

java.lang.Object
  org.opensourcephysics.numerics.qss.Utils

public class Utils
extends java.lang.Object

Constructor Summary

Utils()

Method Summary

static int[][]

getIncidenceMatrix(boolean[][] matrix) Creates a direct incidence matrix for a QSS solver from a boolean matrix of double indices

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Utils

public Utils()

Method Detail

getIncidenceMatrix

public static int[][] getIncidenceMatrix(boolean[][] matrix)

Creates a direct incidence matrix for a QSS solver from a boolean matrix of double indices

Parameters:

matrix - The [i][j] entry of the array must be true if the derivative of the i-th variable depends on the j-th variable

Returns:

the direct incidence matrix to implement org.opensourcephysics.numerics.qss.MultirateODE