not sure what this code mean.

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Moh
Moh on 5 Dec 2022
Commented: Image Analyst on 5 Dec 2022
i looked evrey where to find what dose this code mean and i didnt understand it
u should mean modulation index
but s = c + u*m.*c; i have no idea what this means.
thank you
u = 0.5;
s = c + u*m.*c;
figure;
plot(t,s,'linewidth',2);grid on;xlabel('time');ylabel('Amplitude');
title('AM signal');
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Accepted Answer

Image Analyst
Image Analyst on 5 Dec 2022
Take m and multiply it element-by-element times c. Then multiply by 0.5 and add it in to the original c to get a new c.
Now you know the value of putting comments into your code. I'm sure you will now put comments into all your code and not make the mistake the original author did by writing code with no comments, assuming that everyone will know what he intended.
In fact @Steven Lord recommends that you write the comments first, and then add the code in afterwards.
The link below should clarify it:
To learn fundamental concepts, invest 2 hours of your time here:
  3 Comments
Image Analyst
Image Analyst on 5 Dec 2022
@Voss thanks for the clarification.
@Moho Amr and/or @Moh, if we're done with the question, can you please click the "Accept this Answer" link? Thanks in advance. 🙂

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