LarsFroehling

Feature experimentaldesign

2

First draft for the experimental design.

If priors are included and the optimization fails `nan` is written in `result.optimize_result `for `fval` instead of the usual `inf` and therefore the sorting of `result.optimize_result` doesn't work properly. I...

allow formulation of additional constraints

9

It would be good to be able to include constraints on functions of parameters. e.g ```par1 = par2 + par3``` where only ```par2``` and ```par3``` are to be estimated but...