Hello,
I'd like to try the new options RPARALLEL/XPARALLEL in v.10 but they are not available in Multiple start menu, please see the picture. Where to find these options?
Thanks
Search found 32 matches
- Wed Jul 19, 2023 5:29 am
- Forum: Vensim
- Topic: v.10 Parallel computations
- Replies: 2
- Views: 1286
- Tue Jun 27, 2023 6:06 pm
- Forum: Vensim
- Topic: optimization
- Replies: 12
- Views: 5774
Re: optimization
Thanks! That concludes my question. I'm sure many users will be grateful to you. Even though your post makes my explanation meaningless, I'm posting it. ==== I will try to formulate my question better (please be lenient, English is a foreign language to me). We have some dynamic system on which a co...
- Tue Jun 27, 2023 3:30 pm
- Forum: Vensim
- Topic: optimization
- Replies: 12
- Views: 5774
Re: optimization
Hello, I would like to state that my model is functioning correctly and successfully reproduces the example specified in the reference webpage. Units are not mandatory. On the contrary, only the inexperienced use the units. For the rest, the SI base units (kg, m, s, A, K, mol, cd) are sufficient to ...
- Mon Jun 26, 2023 9:47 pm
- Forum: Vensim
- Topic: optimization
- Replies: 12
- Views: 5774
Re: optimization
Dear JJ, For now, I am interested in this field for educational purposes only. I'm hoping to get more in-depth information about the optimization, as the Vensim help isn't helping me enough.
- Sun Jun 25, 2023 5:34 pm
- Forum: Vensim
- Topic: optimization
- Replies: 12
- Views: 5774
Re: optimization
Maybe, but I'm not sure how to apply it in this case. Аny more detailed hint?tomfid wrote: ↑Sun Jun 25, 2023 5:28 pm Maybe the VECTOR LOOKUP function? https://www.vensim.com/documentation/fn ... ookup.html
- Sat Jun 24, 2023 5:45 pm
- Forum: Vensim
- Topic: optimization
- Replies: 12
- Views: 5774
optimization
Dear Admins and Users, I reproduced in Vensim the Bang-Bang Control Problem, described here: https://excel-works.com/manual/ocpex1 The optimization results are quite close to the reference. I would like to define in a more efficient manner the control efforts ui at time points (ui,ti), but not as in...
- Sat May 27, 2023 6:43 pm
- Forum: Vensim
- Topic: Export using SVG
- Replies: 0
- Views: 16062
Export using SVG
Hello,
the custom graphs are not exported using the svg option - the result is just a grey rectangle. I know you are working on the graphics issues, but I am posting this in case you are not aware.
the custom graphs are not exported using the svg option - the result is just a grey rectangle. I know you are working on the graphics issues, but I am posting this in case you are not aware.
- Tue May 02, 2023 6:02 pm
- Forum: Vensim
- Topic: Suggestion to improve the optimization window
- Replies: 3
- Views: 2539
Re: Suggestion to improve the optimization window
Thanks for the answer. I don't see any possibility to extend my optimization window down! Please see the attached picture of my screen - this is the minimum window size. It can only be pulled down about 10mm until it touches the taskbar. In both sections of the optimization window there are empty sp...
- Tue May 02, 2023 5:18 am
- Forum: Vensim
- Topic: Suggestion to improve the optimization window
- Replies: 3
- Views: 2539
Suggestion to improve the optimization window
Hello! After working with Vensim's optimization module for some time I have a few suggestions for organizing the optimization window. 1. Please, from the Optimization Control Setup window, separate the Parameters section into a separate window. Now the parameters are always at the bottom of the scre...
- Thu Nov 26, 2020 8:14 pm
- Forum: Vensim
- Topic: Optimization
- Replies: 2
- Views: 2504
Optimization
Please, any detailed optimization tutorial written from humans to humans?
- Thu Nov 26, 2020 8:09 pm
- Forum: Vensim
- Topic: What improvements would you like to see in Vensim?
- Replies: 150
- Views: 16777215
Re: What improvements would you like to see in Vensim?
Any chance to enrich the options for the lines in the graph - thickness, color, pattern, font and size for axes?
- Tue Dec 10, 2019 7:52 pm
- Forum: Vensim
- Topic: Saving sensitivity graph
- Replies: 2
- Views: 2980
Re: Saving sensitivity graph
Thank you very much!
- Tue Dec 10, 2019 4:08 pm
- Forum: Vensim
- Topic: Saving sensitivity graph
- Replies: 2
- Views: 2980
Saving sensitivity graph
Hello!
How to save the sensitivity graph?
How to save the sensitivity graph?
- Mon Dec 09, 2019 7:57 pm
- Forum: Ventity
- Topic: Integration method
- Replies: 3
- Views: 5637
Re: Integration method
Although the use of Vensim is not typical for engineering, it is very suitable for simulation of different engineering systems, mainly because of the presence of the very stable RK4auto, without mentioning the convenient modeling environment. It will not be a bad thing to have this capability in Ven...
- Mon Dec 09, 2019 6:25 pm
- Forum: Ventity
- Topic: Integration method
- Replies: 3
- Views: 5637
Integration method
Hello!
As I understand, the Euler method is used for the integration. I wonder if more sophisticated methods will be implemented?
As I understand, the Euler method is used for the integration. I wonder if more sophisticated methods will be implemented?
- Tue Sep 26, 2017 1:10 pm
- Forum: Vensim
- Topic: Limitation of number of downloads
- Replies: 6
- Views: 5752
Re: Limitation of number of downloads
Sorry, I have to check this. Thank you very much for your assistance.
- Tue Sep 26, 2017 11:56 am
- Forum: Vensim
- Topic: Limitation of number of downloads
- Replies: 6
- Views: 5752
Re: Limitation of number of downloads
I sent it again!
Thank you
Thank you
- Tue Sep 26, 2017 9:21 am
- Forum: Vensim
- Topic: Limitation of number of downloads
- Replies: 6
- Views: 5752
Re: Limitation of number of downloads
Yesterday I already sent an email. If you have not received it, please tell me.
Kind regards
Kind regards
- Tue Sep 26, 2017 7:39 am
- Forum: Vensim
- Topic: Limitation of number of downloads
- Replies: 6
- Views: 5752
Limitation of number of downloads
Hello!
I have tried to download Vensim PLE+ 7.1 few times because of very slow download speed and received a message: "maximum number of download times is reached". Now I don't have a possibility to download the software. Please, tell me what to do?
Kind regards
Rosen MITREV, TU-Sofia
I have tried to download Vensim PLE+ 7.1 few times because of very slow download speed and received a message: "maximum number of download times is reached". Now I don't have a possibility to download the software. Please, tell me what to do?
Kind regards
Rosen MITREV, TU-Sofia
- Wed Jul 05, 2017 8:04 am
- Forum: Vensim
- Topic: How to change variable type
- Replies: 2
- Views: 3055
Re: How to change variable type
Thank you very much!
- Wed Jul 05, 2017 6:31 am
- Forum: Vensim
- Topic: How to change variable type
- Replies: 2
- Views: 3055
How to change variable type
Hello! I'd like to perform a sensitivity analysis, but I get the following error - "the variable is wrong type, must be constant" (the constant is beta in the attached model). Any trials to change the type of beta from auxiliary to constant are unsuccessful. What to do? Another issue- alth...
- Thu Feb 09, 2017 1:13 pm
- Forum: Vensim
- Topic: Very slow performance
- Replies: 5
- Views: 4890
Re: Very slow performance
Ok, thank you!
- Thu Feb 09, 2017 10:04 am
- Forum: Vensim
- Topic: Very slow performance
- Replies: 5
- Views: 4890
Re: Very slow performance
It is a star moving in gravitational field of the galaxy:)
- Thu Feb 09, 2017 9:42 am
- Forum: Vensim
- Topic: Very slow performance
- Replies: 5
- Views: 4890
Very slow performance
Hello!
I have noticed that if in the graph line width is set to 1, then all is OK. But if line width is 2, the performance is very bad. In the case of more points I need to restart the computer. Please, see the attached file.
Is this a bug or is normal behaviour> Vensim PLE, last version.
I have noticed that if in the graph line width is set to 1, then all is OK. But if line width is 2, the performance is very bad. In the case of more points I need to restart the computer. Please, see the attached file.
Is this a bug or is normal behaviour> Vensim PLE, last version.
- Thu Oct 27, 2011 8:28 am
- Forum: Vensim
- Topic: Help with Graph
- Replies: 2
- Views: 3091
Re: Help with Graph
Ok, thanks