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MathLib - assorted numerical routines


Shodor > CSERD > Resources > Libraries > MathLib - assorted numerical routines

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Mathlib class documentation

MathLib is a library of assorted mathematical routines commonly used in the creation of CSERD models. These might be better organized some day, or put together as part of a package.

Languages:

  • Java

    Java

    Member variables

    
        public static final double log10Constant = Math.log(10.0);
    

    Methods

  • public static double niceNumber ( double x, boolean round)
    Given a number, find the nearest nice looking number. I'll have to find the original source for the algorithm.
  • public static double log10(double x)
  • public static double [] niceLabels (int nLabel, double minLabel, double maxLabel)
    Create an array of nice numbers. Useful for creating plot labels.
  • public static double [] niceLogLabels(int nLabel, double minLabel, double maxLabel)
    Create an array of nice numbers with a logarithmic scale. Useful for creating plot labels.
  • public static double cartesianToR(double x, double y, double z)
  • public static double cartesianToPhi(double r, double z)
  • public static double cartesianToPhi(double x, double y, double z)
  • public static double cartesianToTheta(double x, double y)
  • public static double [] linearGrid(int n, double min, double max)
    Returns a reference to a linearly spaced array of doubles.
  • public static int factorial (int n)
  • public static int doubleFactorial(int l)
    Returns n!! = n * (n-2) * (n-4) * ...

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