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Numerical Bifurcation Analysis Toolbox in Matlab
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Respected Professor Meijer,
Hope you're doing well, Sir. I just started learning MATCONT version 5p3 after downloading. I was referring to your manual published in 2016 and trying to simulate the same results. I was able to simulate the initial point: Point and was successful in getting the convergent values for x,y,z. But when I tried simulating the eigenvalues at equilibrium, I got an error. I'm attaching a screenshot of the error. In words it says ** Error using line
* is not a valid value. Use one of these values : '-', '--', ':', '-.', 'none' **
This is an issue we aware of, and is fixed in later versions, please upgrade to 7p1
From: Vikram Sudarshan vikram1997@users.sourceforge.net
Sent: Friday, November 15, 2019 11:08 PM
To: [matcont:wiki]
Subject: [matcont:wiki] Discussion for Home page
Respected Professor Meijer,
Hope you're doing well, Sir. I just started learning MATCONT version 5p3 after downloading. I was referring to your manual published in 2016 and trying to simulate the same results. I was able to simulate the initial point: Point and was successful in getting the convergent values for x,y,z. But when I tried simulating the eigenvalues at equilibrium, I got an error. I'm attaching a screenshot of the error. In words it says ** Error using line
* is not a valid value. Use one of these values : '-', '--', ':', '-.', 'none' **
Attachments:
[https://sourceforge.net/p/matcont/wiki/_discuss/thread/36f7d14c/c43d/attachment/MATCONT%20error.png]
) (549.9 kB; image/png)
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Respected Professor Meijer,
Thank you for your reply. Cold you please send a download link for Windows 10 for Matcont version 7p1? The latest version available for download on SourceForge is 5p4 and I could not find the later versions anywhere else
*could
You can download version 7p1 here: https://sourceforge.net/projects/matcont/files/matcont/matcont7p1/
How to get there; go the main page; https://sourceforge.net/projects/matcont/
Then choose Files->matcont->matcont7p1, select the zip-file.
From: Vikram Sudarshan vikram1997@users.sourceforge.net
Sent: Thursday, November 21, 2019 3:00 PM
To: [matcont:wiki]
Subject: [matcont:wiki] Discussion for Home page
*could
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Respected Professor Meijer,
Thank you for your reply. Do i need to first delete the previous version 5p3 and then download 7p1?
Just extract the zip-file for 7p1 to a different folder and ignore the 5p3 version (or delete it)
From: Vikram Sudarshan vikram1997@users.sourceforge.net
Sent: Thursday, November 21, 2019 3:08 PM
To: [matcont:wiki]
Subject: [matcont:wiki] Discussion for Home page
Respected Professor Meijer,
Thank you for your reply. Do i need to first delete the previous version 5p3 and then download 7p1?
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Respected Professor Meijer,
Hope you're doing well, Sir. I'm a chemical engineering graduate student trying to implement MATCONT to model an Exothermic CSTR system. My first step is to solve the steady state mass and energy balance equations i.e there is no time derivative. I'm attaching 2 images. 1) the 2 equations without the time derivative on the left side.
2) A photo of the graphs that I wish to plot using MATCONT. As you can see from the graphs, this system has multiple steady states at some values of residence time, and limit points are seen to be approached. The graph is an S-Shaped curve, where the first part of the graph is stable, then at some residence time between 0.5 and 0.6, it approaches a limit point and enters the unstable region. Then again at a different residence time, it approaches a limit point and enters a new stable region. Please guide me as to the steps that I should implement to simulate these exact same curves on MATCONT. All the parameters in the 2 equations are known, except obviously the outlet concentration(or conversion) and outlet temperature.
May I suggest you follow the tutorials? When you mention simulations, that's exactly what you not want to do, instead you want to do continuation. I'm sorry, I am here to help, but not to execute (home)work others need to do themselves.
Hil
From: Vikram Sudarshan vikram1997@users.sourceforge.net
Sent: Tuesday, November 26, 2019 2:53 PM
To: [matcont:wiki]
Subject: [matcont:wiki] Discussion for Home page
2) A photo of the graphs that I wish to plot using MATCONT. As you can see from the graphs, this system has multiple steady states at some values of residence time, and limit points are seen to be approached. The graph is an S-Shaped curve, where the first part of the graph is stable, then at some residence time between 0.5 and 0.6, it approaches a limit point and enters the unstable region. Then again at a different residence time, it approaches a limit point and enters a new stable region. Please guide me as to the steps that I should implement to simulate these exact same curves on MATCONT. All the parameters in the 2 equations are known, except obviously the outlet concentration(or conversion) and outlet temperature.
Attachments:
[https://sourceforge.net/p/matcont/wiki/_discuss/thread/36f7d14c/1c62/attachment/CSTR%20snip%202.PNG]
) (54.2 kB; image/png)
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