sage: from FuncDesigner import *
sage: x = oovar()
sage: f = (sin(x+5000000)-cos(x+5000000)) / (x+5000000)
...
...
sage: startPoint = {x:0.1}
sage: S = oosystem()
sage: S &= [x>=0, x<=10000000]
sage: r = S.minimize(f, startPoint, solver='interalg', fTol = 0.0000000001, iprint = 0)
sage: print('minimum value %e  at point %e' %(r.ff, r(x)))
------------------------- OpenOpt 0.37 -------------------------
solver: interalg   problem: unnamed    type: NLP   goal: minimum
 iter   objFunVal
    0  -1.753e-07