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Vensim 10.3 is now available for download.

Last post by geo_curious « Sat May 24, 2025 5:53 pm
Replies: 1
by Administrator » Thu Mar 13, 2025 10:23 am

1 Replies

7736 Views

Last post by geo_curious
Sat May 24, 2025 5:53 pm
Digests.

Last post by Administrator « Fri Oct 16, 2020 11:40 am

by Administrator » Fri Oct 16, 2020 11:40 am

0 Replies

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Last post by Administrator
Fri Oct 16, 2020 11:40 am

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What improvements would you like to see in Vensim?

Last post by geo_curious « Sun Jun 29, 2025 2:44 pm
Replies: 163
by Administrator » Fri Jan 07, 2011 10:23 am
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163 Replies

367213 Views

Last post by geo_curious
Sun Jun 29, 2025 2:44 pm
Tutorials (Video + text)

Last post by tomfid « Tue Mar 07, 2023 12:37 am
Replies: 19
by Mohammad Jalali » Sun Apr 01, 2012 7:10 pm

19 Replies

93236 Views

Last post by tomfid
Tue Mar 07, 2023 12:37 am
MacOS Ventura (and later) and Vensim compatibility notice (28th November 2022).

Last post by Administrator « Mon Nov 28, 2022 12:20 pm
Replies: 1
by Administrator » Mon Nov 28, 2022 12:16 pm

1 Replies

18960 Views

Last post by Administrator
Mon Nov 28, 2022 12:20 pm
Advice to posters seeking help

Last post by tomfid « Wed Dec 08, 2010 4:20 pm

by tomfid » Wed Dec 08, 2010 4:20 pm

0 Replies

49360 Views

Last post by tomfid
Wed Dec 08, 2010 4:20 pm
Bulk Export to CSV

Last post by geo_curious « Sat Aug 09, 2025 6:29 pm
Replies: 5
by geo_curious » Fri Aug 01, 2025 11:24 am

5 Replies

312 Views

Last post by geo_curious
Sat Aug 09, 2025 6:29 pm
Suppress model load warning in Run Configuration

Last post by geo_curious « Wed Jul 30, 2025 11:12 am
Replies: 1
by geo_curious » Wed Jul 30, 2025 12:44 am

1 Replies

982 Views

Last post by geo_curious
Wed Jul 30, 2025 11:12 am
Does optimization with Kalman compare the simulated values with and without state resetting?

Last post by tomfid « Fri Jul 25, 2025 9:47 pm
Replies: 1
by aliakhavan89 » Wed Jul 23, 2025 8:54 pm

1 Replies

5909 Views

Last post by tomfid
Fri Jul 25, 2025 9:47 pm
Does Kalman combined with Command Script only handle 16 datasets? (BUG?)

Last post by aliakhavan89 « Tue Jul 22, 2025 1:04 pm
Replies: 2
by aliakhavan89 » Sun Jul 20, 2025 1:24 am

2 Replies

9279 Views

Last post by aliakhavan89
Tue Jul 22, 2025 1:04 pm
Assistance with accessing Vensim file in article

Last post by Administrator « Mon Jul 21, 2025 7:40 am
Replies: 4
by corinne » Fri Jul 18, 2025 8:16 am

4 Replies

3878 Views

Last post by Administrator
Mon Jul 21, 2025 7:40 am
What does 'Too many iterations. Optimization not complete' mean?

Last post by aliakhavan89 « Sat Jul 19, 2025 3:44 pm

by aliakhavan89 » Sat Jul 19, 2025 3:44 pm

0 Replies

2180 Views

Last post by aliakhavan89
Sat Jul 19, 2025 3:44 pm
Help with Vensim

Last post by taiwobam « Sat Jul 19, 2025 12:29 pm
Replies: 4
by taiwobam » Mon May 19, 2025 1:48 pm

4 Replies

4839 Views

Last post by taiwobam
Sat Jul 19, 2025 12:29 pm
Assistance on Current Research

Last post by taiwobam « Sat Jul 19, 2025 12:16 pm

by taiwobam » Sat Jul 19, 2025 12:16 pm

0 Replies

293 Views

Last post by taiwobam
Sat Jul 19, 2025 12:16 pm
Setting up the simulation (optimization) fp error

Last post by aliakhavan89 « Sat Jul 19, 2025 2:42 am

by aliakhavan89 » Sat Jul 19, 2025 2:42 am

0 Replies

1969 Views

Last post by aliakhavan89
Sat Jul 19, 2025 2:42 am
Cannot Change Constant in Run Configuration Manager

Last post by akuptel « Fri Jul 18, 2025 7:34 pm
Replies: 2
by akuptel » Fri Jul 18, 2025 7:06 pm

2 Replies

1619 Views

Last post by akuptel
Fri Jul 18, 2025 7:34 pm
Meta: Digest Page Not Working

Last post by akuptel « Fri Jul 18, 2025 7:17 pm
Replies: 4
by akuptel » Tue Jan 28, 2025 9:04 pm

4 Replies

6507 Views

Last post by akuptel
Fri Jul 18, 2025 7:17 pm
How do I narrow down the impact of filter?

Last post by hazhir « Thu Jul 17, 2025 7:00 pm
Replies: 5
by aliakhavan89 » Tue Jul 15, 2025 2:32 pm

5 Replies

6870 Views

Last post by hazhir
Thu Jul 17, 2025 7:00 pm
Why does it produce strange number?

Last post by yut « Thu Jul 17, 2025 2:05 am
Replies: 7
by yut » Wed Jul 16, 2025 10:10 am

7 Replies

6976 Views

Last post by yut
Thu Jul 17, 2025 2:05 am
Sensitivity using tab file error

Last post by aliakhavan89 « Tue Jul 15, 2025 3:57 pm

by aliakhavan89 » Tue Jul 15, 2025 3:57 pm

0 Replies

767 Views

Last post by aliakhavan89
Tue Jul 15, 2025 3:57 pm
Library missing

Last post by EstebanD « Tue Jul 15, 2025 3:21 pm
Replies: 10
by EstebanD » Thu Jun 26, 2025 2:12 pm

10 Replies

30654 Views

Last post by EstebanD
Tue Jul 15, 2025 3:21 pm
BUG: X or R Parallel search issue with Kalman

Last post by aliakhavan89 « Sun Jul 13, 2025 10:29 pm

by aliakhavan89 » Sun Jul 13, 2025 10:29 pm

0 Replies

8093 Views

Last post by aliakhavan89
Sun Jul 13, 2025 10:29 pm
export arrayed data with time all in one column

Last post by tomfid « Sun Jul 13, 2025 9:20 pm
Replies: 2
by megboyar » Sat Jul 12, 2025 2:18 pm

2 Replies

9615 Views

Last post by tomfid
Sun Jul 13, 2025 9:20 pm
Stock behaviour difficult to understand

Last post by tomfid « Fri Jul 11, 2025 12:15 am
Replies: 5
by Ashish_Kumar » Mon Jul 07, 2025 3:08 pm

5 Replies

9309 Views

Last post by tomfid
Fri Jul 11, 2025 12:15 am
What is the exact payoff contribution of Overdispersed Poisson?

Last post by tomfid « Wed Jul 09, 2025 9:18 pm
Replies: 1
by aliakhavan89 » Wed Jul 09, 2025 2:03 am

1 Replies

19586 Views

Last post by tomfid
Wed Jul 09, 2025 9:18 pm
Modelling small discrete flows

Last post by Ashish_Kumar « Tue Jul 08, 2025 4:35 am
Replies: 9
by Ashish_Kumar » Thu Jul 03, 2025 4:24 pm

9 Replies

26586 Views

Last post by Ashish_Kumar
Tue Jul 08, 2025 4:35 am
sim [model] -c -d -w window

Last post by aliakhavan89 « Sun Jul 06, 2025 4:08 pm
Replies: 3
by aliakhavan89 » Sun Jul 06, 2025 2:46 am

3 Replies

14784 Views

Last post by aliakhavan89
Sun Jul 06, 2025 4:08 pm
Shortcuts

Last post by aliakhavan89 « Sun Jul 06, 2025 1:11 am

by aliakhavan89 » Sun Jul 06, 2025 1:11 am

0 Replies

861 Views

Last post by aliakhavan89
Sun Jul 06, 2025 1:11 am
3rd Party Tool SDM-Doc

Last post by tomfid « Fri Jul 04, 2025 12:13 am
Replies: 2
by allelly_m » Thu Jul 03, 2025 9:22 am

2 Replies

908 Views

Last post by tomfid
Fri Jul 04, 2025 12:13 am
Dump warning in log file

Last post by JulieDallard « Thu Jul 03, 2025 2:05 pm
Replies: 2
by JulieDallard » Wed Jul 02, 2025 2:48 pm

2 Replies

8369 Views

Last post by JulieDallard
Thu Jul 03, 2025 2:05 pm
Change y axis scale on sensitivity plots

Last post by Administrator « Wed Jul 02, 2025 6:06 am
Replies: 1
by OButuc » Tue Jul 01, 2025 2:14 pm

1 Replies

10557 Views

Last post by Administrator
Wed Jul 02, 2025 6:06 am
Multiple Equations for a Subscripted Variable HELP

Last post by tomfid « Mon Jun 30, 2025 5:06 pm
Replies: 1
by allelly_m » Mon Jun 30, 2025 4:28 pm

1 Replies

3743 Views

Last post by tomfid
Mon Jun 30, 2025 5:06 pm

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