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How to change Simulink constant block value to a constant variable?

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Sumin
Sumin 2014-6-10
评论： sherif Gad 2021-11-12
Hello,
I'm trying to find a way to set constant value in constant block in Simulink to a constant variable. Namely, I want to set the constant value to g*c/3. g and c values are optimized by fmincon and determined.
In MATLAB, I tried to write something like
>> set_param([simfilename '/Constant2'],'Constant value',num2str(gc/3));
The constant block in Simulink has been named as "Constant2".
What I'm trying to achieve is to have this constant block output different numerical outputs according to g and c values determined by fmincon.
Thank you.

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采纳的回答

Kaustubha Govind
Kaustubha Govind 2014-6-12
set_param([simfilename '/Constant2'],'Value', num2str(gc/3));

更多回答（1 个）

Sumin
Sumin 2014-6-12
Thanks Kaustubha,
I actually had to put * between g and c as well. So this worked,
set_param([simfilename '/Constant2'],'Value',num2str(g*c/3));
Sumin

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