provides a generic set of upper and lower bounds for the L-BFGS-B routine
getBoundaries(x, lower.value, upper.value)(list) a list with boundaries and simple init values for the optim L-BFGS-B routine
(S4) or (list) a coco.object or a par.pos list (as output from getDesignMatrix)
(numeric vector) if provided, provides a vector filled with values lower.value.
(numeric vector) if provided, provides a vector filled with values upper.value.
Federico Blasi