Search found 2 matches

by janpwolff
Tue Dec 02, 2014 10:26 am
Forum: Vensim
Topic: problems with small numbers
Replies: 6
Views: 12382

Re: problems with small numbers

OK and how do I turn double precision on? I am using Vensim DSS 5.10e
by janpwolff
Mon Dec 01, 2014 1:54 pm
Forum: Vensim
Topic: problems with small numbers
Replies: 6
Views: 12382

problems with small numbers

Hello, I am having problems with floating point errors that arise when doing calculations that produce very small numbers. Example: EXP( utility dmnl[Bus])/(EXP(utility dmnl[Car])+EXP(utility dmnl[Rail])+EXP(utility dmnl[Bus])) The values for utility dmnl are computed correctly as: car: -118,66 rail...