Search found 7 matches

by memphis15
Fri Oct 30, 2015 1:40 pm
Forum: Vensim
Topic: how to explore different lookup table?
Replies: 3
Views: 2793

Re: how to explore different lookup table?

it seems both of your options could deal with lookup tables which are mathemtically correlated. for example, by the VECTOR LOOKUP function, tables from mode 1-9 are actually some functions from table 0. I am wondering if there are convenient way to switch among lookup tables which do not have too mu...
by memphis15
Fri Oct 30, 2015 1:45 am
Forum: Vensim
Topic: how to explore different lookup table?
Replies: 3
Views: 2793

Re: how to explore different lookup table?

thank you so much!
by memphis15
Thu Oct 29, 2015 9:34 pm
Forum: Vensim
Topic: how to explore different lookup table?
Replies: 3
Views: 2793

how to explore different lookup table?

hi all, for example, i have a few variables, each of them may be assigned value from a number of lookup tables, so i would like to have a sensitivity analysis of all the combination of the these lookup tables. I have tried to write a contact variable into the lookup table, but the vensim does not al...
by memphis15
Thu Oct 01, 2015 6:58 pm
Forum: Vensim
Topic: Why Auxiliary variable could not use itself
Replies: 5
Views: 5815

Re: Why Auxiliary variable could not use itself

sorry, that will be like: A(T)=A(T-1)+something else
i understand Stock may serve this better. however, as you said, there is no way to assign a min/max to stock in vensim
by memphis15
Thu Oct 01, 2015 6:14 pm
Forum: Vensim
Topic: Why Auxiliary variable could not use itself
Replies: 5
Views: 5815

Why Auxiliary variable could not use itself

this question is related with my previous question about the stock variables could not be assigned a range in Vensim. I haved tried to use Auxiliary type for this, however, it seems Auxiliary variable could not use itself, that is, itself could not be put in the equation.
by memphis15
Thu Oct 01, 2015 4:01 pm
Forum: Vensim
Topic: how to sign a range for a stock variable
Replies: 2
Views: 2667

Re: how to sign a range for a stock variable

thanks a lot!
by memphis15
Thu Oct 01, 2015 3:27 pm
Forum: Vensim
Topic: how to sign a range for a stock variable
Replies: 2
Views: 2667

how to sign a range for a stock variable

on the equation input, i signed the min and max values, but it did not work. Any suggestion?