MATLAB code that execute exp function without using the exp inbuilt function

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Yue Han Seow
Yue Han Seow 2019-3-14
评论： Yue Han Seow 2019-3-15
Hello, I'm new to MATLAB and I have to run an exponential function but without using the exp inbuilt function. As I need to use the HDL coder in the later part, the exp inbuilt function is not allowed. Does anyone knows the code?
This is the equation that has the exp function which I want to replace.
Sum=Sum+sequence(jj)*exp(-2*pi*j*(jj-1)*(k-1)/nfft)
Thank you in advance.

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回答（2 个）

Abdulmanan Butt
Abdulmanan Butt 2019-3-14
Hi,
Kindly have a look on this documentation,
https://de.mathworks.com/help/hdlcoder/ug/replace-the-exp-function-with-a-lookup-table.html
Regards,
Abdulmanan Butt
Walter Roberson
Walter Roberson 2019-3-14

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