metodosnumericos.Graficador.java Source code

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Here is the source code for metodosnumericos.Graficador.java

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package metodosnumericos;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;

/**
 *
 * @author SKP
 */
public class Graficador {

    public ChartPanel series(String f, double xi, double xs) {

        Evaluador func = new Evaluador();
        XYSeries series = new XYSeries("Funcion");

        double iter = xi;
        while (iter < xs) {
            double y = func.Evaluador2(f, iter);
            series.add(iter, y);
            System.out.println(iter + " " + y);
            iter = iter + 0.2;
        }
        XYSeriesCollection collection = new XYSeriesCollection(series);

        JFreeChart chart = ChartFactory.createXYLineChart("Grafica", "X", "Y", collection);

        ChartPanel panel = new ChartPanel(chart);
        panel.setPreferredSize(new java.awt.Dimension(400, 300));
        return panel;
    }

    public XYSeries series2(String f, String nombre, double xi, double xs) {

        Evaluador func = new Evaluador();
        XYSeries series = new XYSeries(nombre);

        double iter = xi;
        while (iter < xs) {
            double y = func.Evaluador2(f, iter);
            series.add(iter, y);
            iter = iter + 0.2;
        }
        return series;
    }

}