Oppgave 3

  for (int n = 2; n <= 10; n++)
    System.out.println(Simpson(x -> Math.sin(x)/x, Math.PI/4, Math.PI/2, n));

  /* Utskrift:
  0.6117869869893636
  0.6117864251040743
  0.6117863307297021
  0.6117863049573847
  0.6117862957030944
  0.6117862917367398
  0.6117862898118976
  0.611786288787586
  0.6117862882022774
  */

Arrays.stream(a).filter(partall.negate()).forEach(utskrift);