Search found 2 matches

by Sarah88
Fri Jan 17, 2020 9:12 pm
Forum: Vensim
Topic: Vensim optimization / Powell’s “Hill Climbing” algorithm
Replies: 3
Views: 1937

Vensim optimization / Powell’s “Hill Climbing” algorithm

Dear all, I would like to describe in my dissertation how the vensim optimization option (calibration) works in technical terms (not going into great detail, but providing transparency on this). In particular, I am interested how the payoff function is calculated, what rule(s) decide that Vensim sto...
by Sarah88
Sun Jul 16, 2017 10:03 am
Forum: Vensim
Topic: Arrays - Data import
Replies: 1
Views: 1277

Arrays - Data import

I have a model in which I would like to import data for constants, time series and also arrays. How can I import data in the case of arrayed variables, where, each of the elements are constants? Is there a way to do it by the "import" of data in a general way, and vensim finds then the var...