Search found 25 matches

by linear feedback
Wed Nov 11, 2015 8:43 pm
Forum: Ventity
Topic: about testing Ventity beta release
Replies: 9
Views: 13698

Re: about testing Ventity beta release

Sounds good to me. I can't judge really judge on this - gut feeling is the more the better in text form.
by linear feedback
Tue Nov 10, 2015 8:24 pm
Forum: Ventity
Topic: about testing Ventity beta release
Replies: 9
Views: 13698

Re: about testing Ventity beta release

"Ventity may not ever have a text editor. "

I hope this gets reconsidered. I did have a look at a smaller model and it is a pain to not have access to an overview in text form. Also, in Vensim the text editor is very useful for fast search&replace etc.
by linear feedback
Wed Jul 22, 2015 9:55 am
Forum: Vensim
Topic: Display subscripts values during synthesim
Replies: 1
Views: 2161

Display subscripts values during synthesim

I can only change one subscript of a variable during synthesim. Is there a way to display the current value of the other subscripts at the same time? I know I can embed graphs but is also possible for values? I want to better track of changes being done during the systhesim. (Is there a way to preve...
by linear feedback
Mon May 18, 2015 7:56 am
Forum: Vensim
Topic: What improvements would you like to see in Vensim?
Replies: 150
Views: 11166481

Additional suggestions

Please increase the thresholds for instance to suppress output display at 256 columns or with optimization runs - it takes far longer to okay away these boxes then for today's computers to generate the views. Option to suppress the "NOTE Payoff (X) realized at multiple parameter values" wh...
by linear feedback
Sat Feb 07, 2015 11:18 am
Forum: Vensim
Topic: Reading data from many files into subscripts
Replies: 1
Views: 2073

Reading data from many files into subscripts

I have dozens of Excel sheets all with the same structure and I need to read the data items therein into variables. All variables are subscripted and each sheet contains the all data items for one subscript. What is the most efficient way to do so? Writing lots of GET XLS DATA for each subscript for...
by linear feedback
Sat Dec 20, 2014 6:11 pm
Forum: Vensim
Topic: What improvements would you like to see in Vensim?
Replies: 150
Views: 11166481

Re: What improvements would you like to see in Vensim?

Here some quirks in the user interface I keep stumbling over with out any ranking - probably there are ways around some which I have not yet uncovered so feedback would be much appreciated - Selection of nodes not kept highlighted when changing between hand and lock-tool - Right-click on a node shou...
by linear feedback
Fri Nov 28, 2014 3:50 pm
Forum: Vensim
Topic: Get subranges?
Replies: 5
Views: 4314

Re: Get subranges?

Thank you for your suggestion. As I would be dealing with 700 x 70 items a matrix does get a bit more complex in Excel. I have attached a solution which uses indexed subscripts - as one cannot calculate (especially references) with subscripts in vensim I use variables for doing so. Any thoughts whic...
by linear feedback
Wed Nov 26, 2014 11:52 pm
Forum: Vensim
Topic: Get subranges?
Replies: 5
Views: 4314

Re: Get subranges?

I'd like to map the subranges in column B to the range in A. Trouble is that the number of elements in the subrange categories can change and should adjust itself to the data sets. Any thoughts?
by linear feedback
Tue Nov 25, 2014 10:01 pm
Forum: Vensim
Topic: Get subranges?
Replies: 5
Views: 4314

Get subranges?

I can use GET SUBSCRIPTS to read in subscripts but how can I add or map subranges to it if the names of subscripts are not known in advance?
by linear feedback
Thu Nov 13, 2014 8:11 am
Forum: Vensim
Topic: basic vensim computation issue 2
Replies: 15
Views: 22140

Re: basic vensim computation issue 2

Wouldn't offering a sub-type "decimal" like in c# help?

Btw Excel gives 0.999999999999981 for all dt. Not that bad - but not one...
by linear feedback
Thu Oct 30, 2014 6:35 pm
Forum: Vensim
Topic: venext - FUNC_DESC
Replies: 4
Views: 4229

Re: venext - FUNC_DESC

Things did work well but now I changed the model so that I do not have x[Range1] as variable where the results go into but x[Range1,Range2-element1]. Only one element in Range2 shall be changed. From what I see in the debugger, the first execution of the function works well but then the function get...
by linear feedback
Mon Oct 13, 2014 8:19 pm
Forum: Vensim
Topic: venext - FUNC_DESC
Replies: 4
Views: 4229

Re: venext - FUNC_DESC

Many thanks - I forgot about that rule whilst making changes... :-o Now everything is ok.
by linear feedback
Sun Oct 12, 2014 10:13 am
Forum: Vensim
Topic: venext - FUNC_DESC
Replies: 4
Views: 4229

venext - FUNC_DESC

I have written an external function which calculates a vector and uses input from three vectors. Everything works as expected - e.g. during the first call, everything is looking good. Unfortunately Vensim calls the routine 3 times vector subscripts and then returns the result times 3 times vector su...
by linear feedback
Wed Oct 08, 2014 7:35 pm
Forum: Vensim
Topic: Running incremental optimizations
Replies: 6
Views: 5506

Re: Running incremental optimizations

Many thanks, Tom, this is very helpful.

The seed=0 might be made more explicit in the documentation - at least I never figured that one.
by linear feedback
Mon Oct 06, 2014 5:45 pm
Forum: Vensim
Topic: Running incremental optimizations
Replies: 6
Views: 5506

Re: Running incremental optimizations

Thanks - will do. Alas, it would be nice if there were a condition which would make Vensim always use a different seed when beginning an optimization. So I have to edit the voc file. The underlying reason for this request is that I cannot provide Vensim with a time limit for the calibration so I wan...
by linear feedback
Sat Oct 04, 2014 5:25 pm
Forum: Vensim
Topic: Running incremental optimizations
Replies: 6
Views: 5506

Running incremental optimizations

I want to run sequential optimizations while monitoring the progress. E.g. run the optimizer n times, evaluate the best solution and if not good enough let the optimizer run another n times. I have come up with this: SIMULATE>RUNNAME|opt do MENU>RUN_OPTIMZE Analyse the opt.out file: if ok -> exit el...
by linear feedback
Fri Sep 19, 2014 12:04 am
Forum: Vensim
Topic: LOADMODEL does not work from Excel
Replies: 17
Views: 12149

Re: LOADMODEL does not work from Excel

No, I do not have a vendll32.dll in any of those directories. I did a search on C: and I have the dll in C:\Users\'Username'\Vensim\dll C:\Users\'Username'\Appdata\local\Vensim C:\Windows\SysWOW64 and in the directory the Excel file and the model are located. All dlls have the same length and save d...
by linear feedback
Thu Sep 18, 2014 9:11 am
Forum: Vensim
Topic: LOADMODEL does not work from Excel
Replies: 17
Views: 12149

Re: LOADMODEL does not work from Excel

Tried again and no difference. (To mitigate that possible factor I incuded the forced path change in the macros)
by linear feedback
Thu Sep 18, 2014 7:58 am
Forum: Vensim
Topic: LOADMODEL does not work from Excel
Replies: 17
Views: 12149

Re: LOADMODEL does not work from Excel

All cells are empty. I single-stepped through the macro and length = '-1' and buf = ''
by linear feedback
Wed Sep 17, 2014 9:53 am
Forum: Vensim
Topic: LOADMODEL does not work from Excel
Replies: 17
Views: 12149

Re: LOADMODEL does not work from Excel

No - I don't think so. In the Start menu / Vensim there is only a reference to Vensim DSS.
by linear feedback
Wed Sep 17, 2014 7:39 am
Forum: Vensim
Topic: LOADMODEL does not work from Excel
Replies: 17
Views: 12149

Re: LOADMODEL does not work from Excel

See the attached. I took the vendll.xls and included the directory change as indicated in my first post.
by linear feedback
Tue Sep 16, 2014 8:03 pm
Forum: Vensim
Topic: LOADMODEL does not work from Excel
Replies: 17
Views: 12149

Re: LOADMODEL does not work from Excel

0 (in all tests)
by linear feedback
Tue Sep 16, 2014 5:16 pm
Forum: Vensim
Topic: LOADMODEL does not work from Excel
Replies: 17
Views: 12149

Re: LOADMODEL does not work from Excel

Putting the full path in the LOADMODEL has the same outcome
by linear feedback
Tue Sep 16, 2014 3:41 pm
Forum: Vensim
Topic: LOADMODEL does not work from Excel
Replies: 17
Views: 12149

Re: LOADMODEL does not work from Excel

Thank you for the swift reply. Apologies for being to brief in my descropition: If I let the vba-code of the demo continue to run all vensim_get_info is empty which makes me suspect the loadmodel does not work. I have a similar issue with a model I have developed where the Run has no effect. I hope ...
by linear feedback
Tue Sep 16, 2014 2:40 pm
Forum: Vensim
Topic: LOADMODEL does not work from Excel
Replies: 17
Views: 12149

LOADMODEL does not work from Excel

Hello, I am trying to run a Vensim model from Excel through the DLL-interface. To test things I have changed the example code in vendll.xls so that Excel and Vensim work in the directory in which both Excel and Vensim are located. Sub Get_Vensim_Info() Dim buf As String * 512 Dim MyPath As String My...