Variable in a simulink state space matrix

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Sugs
Sugs 2019-4-20
编辑： Walter Roberson 2019-4-23
How can I implement a matrix in a state space model in simulink that has a variable that is dependent on another component of the model signal such as an angle etc?
I have tried sending the signal to the workspace and calling in the matrix with a variable (of the same name) in it and it does not work.
Thank you.
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Walter Roberson
Walter Roberson 2019-4-22
编辑：Walter Roberson 2019-4-23
https://www.mathworks.com/help/control/tunable-coefficient-models.html
Tunable models in Simulink correspond to ss() with a genmat() parameter, or to genss() .
When you have a tunable model, then at any one time each parameter has a distinct value, but you can change the parameter and the effect will be reflected on the model blocks. This differs from creating something like a symbolic representation with a variable name and using laplace transform and so on, in that for symbolic representations the calculation is generalized and the variable does not have a value until later, if ever. The MATLAB tools for symbolic control systems are mostly missing.
Sugs
Sugs 2019-4-23
@Walter Robertson Thank you for the information and the link. I will be looking more into it tomorrow.

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