Matlab doesn't like my function, why?

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AB29
AB29 2024-1-2
评论： AB29 2024-1-3
Does anyone know what i am doing wrong here. i am trying to plot my amplitudes of my fourier series from 0-15 my bn is only a number when odd which explains my matrix.

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采纳的回答

Torsten
Torsten 2024-1-2
移动：Torsten 2024-1-2
Use elementwise division (./) and multiplication (.*) in the computation of An and B:
https://uk.mathworks.com/help/matlab/matlab_prog/array-vs-matrix-operations.html

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Dyuman Joshi
Dyuman Joshi 2024-1-2
编辑：Dyuman Joshi 2024-1-2
The element-wise operators to be used here are ./ and .* (There is .^ in addition), see - Array vs Matrix Operations
Also, while defining the variable C - the letters a, b of An, Bn are supposed to be uppercase, and, n of plot C vs N should be lowercase. MATLAB is case sensitive.
And the syntax of calling plot() is incorrect. Take a look at the documentation page to learn the acceptable syntaxes of the function plot() here - https://in.mathworks.com/help/matlab/ref/plot.html
If you are new to MATLAB, I suggest you take the free MATLAB Onramp tutorial to learn the fundamentals/basics of MATLAB along with the notation/syntax.
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Dyuman Joshi
Dyuman Joshi 2024-1-3
@AB29, the signs should be positive, as squaring a negative value results in a positive value.

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