Java Gauss gaussianPDF(double mu, double sigma, double x)

Description

gaussian PDF

License

Open Source License

Declaration

public static double gaussianPDF(double mu, double sigma, double x) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    public static double gaussianPDF(double mu, double sigma, double x) {
        // density of beta distribution with (a, b) given x
        double val_exp = -0.5 * ((x - mu) / sigma) * ((x - mu) / sigma);
        double val = 1 / sigma * Math.exp(val_exp);
        return _checkBounded(val);
    }//w  w  w  . jav a  2  s.  c  om

    private static double _checkBounded(double x) {
        // Check if a value `x` is bounded within finite or not
        if (Double.isInfinite(x)) {
            return 1e6;
        } else if (Double.isNaN(x)) {
            return 0;
        } else {
            return x;
        }
    }
}

Related

1. gaussianDensity(double x, double mean, double standardDeviation)
2. gaussianDerivative(double x)
3. gaussianFilter(float[] weights, float sigma)
4. gaussianIntegral(double x)
5. gaussianPDF(double mean, double variance, double x)
6. gaussianWindow(double mean1, double mean2, double std)
7. gaussJordanElimination(boolean[][] matrix)
8. gaussTable(final int steps)