umontreal.iro.lecuyer.charts.exam.ChartTest1 Maven / Gradle / Ivy

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SSJ is a Java library for stochastic simulation, developed under the direction of Pierre L'Ecuyer, in the Département d'Informatique et de Recherche Opérationnelle (DIRO), at the Université de Montréal. It provides facilities for generating uniform and nonuniform random variates, computing different measures related to probability distributions, performing goodness-of-fit tests, applying quasi-Monte Carlo methods, collecting (elementary) statistics, and programming discrete-event simulations with both events and processes.

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import umontreal.iro.lecuyer.charts.XYLineChart;

public class ChartTest1
{
   private static double[][] getPoints1() {
      double[][] points = new double[2][200];
      for (int i = 0; i < points[0].length; i++) {
         double x = i / 25.0;
         points[0][i] = x;
         points[1][i] = Math.sqrt (x);
      }
      return points;
   }

   private static double[][] getPoints2() {
      double[][] points = new double[2][21];
      for (int i = 0; i < points[0].length; i++) {
         double x = -Math.PI + 2 * i * Math.PI / (points[0].length - 1);
         points[0][i] = x;
         points[1][i] = Math.cos (x);
      }
      return points;
   }

   private static double[][] getPoints3() {
      double[][] points = new double[2][11];
      for (int i = 0; i < points[0].length; i++) {
         points[0][i] = -5 + i;
         points[1][i] = -3 + i;
      }
      return points;
   }

   public static void main(String[] args) {
      // Get data; data1 has length 2 and contains one array for
      // X-axis values, and one array for Y-axis values.
      double[][] data1 = getPoints1();
      double[][] data2 = getPoints2();
      double[][] data3 = getPoints3();

      // Create a new chart with the previous data series.
      XYLineChart chart = new XYLineChart(null, "X", "Y", data1, data2, data3);
      chart.toLatexFile("ChartTest1.tex", 12, 8);
   }
}