Is there a hidden workspace in Simulink other than the model workspace?

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Guilherme T Silva
回答： Guilherme T Silva 2016-6-8
When running a Simulink model, I get unexpected behaviors if I don't call a clear all before the execution. Strange thing is that both the base and the model workspaces are empty. What could be happening? Where else can I look for those hidden variables?
Thanks!

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采纳的回答

Guilherme T Silva
I found out what was wrong: Simulink won't clear S-functions static memory from run to run. I'm using clear mex for that. Thanks!

更多回答（1 个）

Walter Roberson
Walter Roberson 2016-6-7
One of things that clear all does is to clear out the parsed versions of routines (which you do not care about) along with their attached workspaces -- that is, any accumulated persistent variables, which could potentially be an issue.
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Guilherme T Silva
Guilherme T Silva 2016-6-7
Do you have any suggestion on how to debug this? How can I at least visualize that accumulated data?
Walter Roberson
Walter Roberson 2016-6-7
There is no documented way to detect persistent variables in loaded functions and examine those variables -- other than doing a text search for "persistent" and putting in breakpoints.

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