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Time dependent exponential function in simulink
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Stefan Smolik
Aug 2, 2009, 11:53:01 PM8/2/09
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Hi all,
I am wondering how I can set up a time dependent function in simulink such as exp(t)? I tried to insert a counter to represent the elapsing time to a user mathematical function block. However this does not work.
Is there an official approach to implement such functions?
Murugaiyan
Aug 3, 2009, 1:40:29 AM8/3/09
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"Stefan Smolik" <ssm...@gmx.de> wrote in message <h55mut$m7n$1...@fred.mathworks.com>...
> Hi all,
>
> I am wondering how I can set up a time dependent function in simulink such as exp(t)? I tried to insert a counter to represent the elapsing time to a user mathematical function block. However this does not work.
>
> Is there an official approach to implement such functions?
> Hi all,
>
> I am wondering how I can set up a time dependent function in simulink such as exp(t)? I tried to insert a counter to represent the elapsing time to a user mathematical function block. However this does not work.
>
> Is there an official approach to implement such functions?
hi,
try this
Fcn blk---from simulink browser
Library
User-Defined Functions
cheers
tamil
Kristof
Aug 3, 2009, 1:46:01 AM8/3/09
to
Use a 'Clock' and feed it to a 'Math Function', if you just need an exp(t) function. If the signal is more complex I'd suggest you use a 'MATLAB Fcn' block instead of the 'Math Function'.
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