1
6 public class IntegrationMethode {
7 public static void main(String[] args) {
8
9 double a = -5.0;
10 double b = 5.0;
11 double dx = 0.25;
12
13 double x;
14 double y;
15
16 double summe;
17 int zaehler;
19
21 summe = 0.0;
22 zaehler = 0;
23 x = a + dx * 0.5;
25
27 while ( x < b ) {
28
29 summe = summe + f(x);
31 x = x + dx; zaehler = zaehler + 1;
33 }
34
35 System.out.println(dx * summe); System.out.println(zaehler);
37
38 }
39
40
43 private static double f(double wert) {
44 double ergebnis;
45
46 ergebnis = wert * wert - 0.5 * wert + 2.0;
47
48 return ergebnis;
49 }
50
51 }
52