import catacomb
from java.lang import Thread

csys = catacomb.Sys
csys.init()
csys.setInteractor(catacomb.GuiInteractor())

def numerics():
    csys.newObject("Numerics")
    diffeq = csys.getObjectByName("diffeq")
    csys.editObject(diffeq)
    diffeq.B
    for i in range (10): 	
       diffeq.B = 1. / (1 + i)
       diffeq.sync()
       diffeq.flagDataChange()		 
       Thread.sleep(200)

    res = csys.getObjectByName("diffeq-results")
    res.x_max
    for i in range (100): 	
          res.x_max = abs (0.2 * (i-50))
          res.flagViewChange ()
          Thread.sleep(10)