exponential curve

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Jan 2011-12-6

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https://ww2.mathworks.cn/matlabcentral/answers/23225-exponential-curve

Hi, could someone help me. How to model exponential curve in simulink. For example e^x where x is a variation which can be change. Which blocks should be used?

Thanks

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Paulo Silva 2011-12-6

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/23225-exponential-curve#answer_30510

在 MATLAB Online 中打开

From the User-Defined Functions use the MATLAB Fcn, the code you should put in that block is

exp(u(1))

Now for input try the Ramp block from Sources

Another block that does the e^x is on the Math Operations, it's the Math Function block.

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Paulo Silva 2011-12-6

do you know the mathematical expression?

By your description it looks like a saturated signal

Jan 2011-12-6

no i don't know the mathematical expresion.

Yes it could be saturated signal. I have done something with transfer fcn, but if I don't know coefficients how to reach it. I just want to change input signal or some parameters to gain the curve and it's changing.

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