How exactly do I code and plot this frequency response?

How exactly do I code the frequency response of this. I try following some of this websites structure but can't find a structure when it involves e^(-j2pi*f) Would really appreciate the help.

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Answer 1

[Star Strider]

code the complex exponential as:

exp(-1i*2*pi*f)

Also see the documentation on Array vs. Matrix Operations to understand how to use element-wise operations to code your function.

Look through the documentation, including the ‘Getting Started’ sections if you’ve not used MATLAB before.