Algebraic Loops in MATLAB

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Goncalo
Goncalo 2024-11-8，16:35
回答： Swastik Sarkar 2024-11-11，3:49
Hi all,
I am familiar with the concept of Algebraic Loops and the methods to solve them.
I am working on a project that requires translating a Simulink model to .m files. In this model, we have an algebraic loop, and for me it's not clear how I would implement this in standard .m files, or if (and how) MATLAB would be able to solve it. Do I need to formulate a specific nonlinear optimization problem in MATLAB or can MATLAB somehow identify the loop (as simulink does) and solve it using a suitable solver?

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回答（1 个）

Swastik Sarkar
Swastik Sarkar 2024-11-11，3:49
Hi @Goncalo,
The following MATLAB documentation provides details on how Simulink solves algebraic loops: https://www.mathworks.com/help/simulink/ug/algebraic-loops.html#bsn46y8-2.
Simulink utilizes trust-region or line-search methods to solve algebraic loops, which may require the Optimization Toolbox. More information on these methods can be found here:
The fminunc function can be particularly useful in this context.
Hope this helps

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