com.fpuna.preproceso.TestApacheMathLibDemo.java Source code

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Here is the source code for com.fpuna.preproceso.TestApacheMathLibDemo.java

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package com.fpuna.preproceso;

import org.apache.commons.math3.complex.Complex;
import org.apache.commons.math3.random.JDKRandomGenerator;
import org.apache.commons.math3.random.RandomGenerator;
import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics;

public class TestApacheMathLibDemo {

    /**
     * @param args
     */
    public static void main(String[] args) {

        RandomGenerator randomGenerator = new JDKRandomGenerator();
        System.out.println(randomGenerator.nextInt());
        System.out.println(randomGenerator.nextDouble());

        /**
         * Descriptive Statistics like MEAN,GP,SD,MAX
        *
         */
        DescriptiveStatistics stats = new DescriptiveStatistics();
        stats.addValue(1);
        stats.addValue(2);
        stats.addValue(3);
        stats.addValue(4);
        stats.addValue(5);
        stats.addValue(6);
        stats.addValue(7);
        System.out.print("Mean : " + stats.getMean() + "\n");
        System.out.print("Standard deviation : " + stats.getStandardDeviation() + "\n");
        System.out.print("Max : " + stats.getMax() + "\n");

        /**
         * Complex number format a+bi
        *
         */
        Complex c1 = new Complex(1, 2);
        Complex c2 = new Complex(2, 3);
        System.out.print("Absolute of c1 " + c1.abs() + "\n");
        System.out.print("Addition : " + (c1.add(c2)) + "\n");
    }

}