Science Parser : Math Functions « Advanced Graphics « Java

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Java » Advanced Graphics » Math FunctionsScreenshots 
Science Parser

import java.awt.*;
import java.applet.*;

import graph.*;

public class parser extends Applet {


    public static void mainString arg[] ) {
        int l = arg.length;
        double d;

        ifl < || l > ) {
          System.out.println(
           "Usage: java parser \"function\" [x value] [y value] [z value]");
          return;
        }

        System.out.println("Parse Function: "+arg[0]);

        ParseFunction function new ParseFunction(arg[0]);


        ifl >= ) {
                      d = Double.valueOf(arg[1]).doubleValue();
                      System.out.println("x = "+d);
                      function.setX(d);
        }
        ifl >= ) {
                      d = Double.valueOf(arg[2]).doubleValue();
                      System.out.println("y = "+d);
                      function.setY(d);
        }
        ifl >= ) {
                      d = Double.valueOf(arg[3]).doubleValue();
                      System.out.println("z = "+d);
                      function.setZ(d);
        }

        function.debug = true;

        if!function.parse() ) {
          System.out.println("Error: Failed to parse function");
          return;
        }

        try {
             System.out.println("Solution: "+function.getResult());
        catch(Exception e) {
             e.printStackTrace();
        }

    }


}





           
       
Graph-ScienceParser.zip( 235 k)
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