Why do I recieve error when doing sinc function
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Im trying to plot the sinc function and im given my A and T however when i try to input the equation i get an error
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/873695/image.png)
A = 1;
T = 1;
gf= AT sinc(fT);
2 Commenti
Jon
il 25 Gen 2022
Please copy and paste the full error message, all of the red text, so we can see what error you are getting.
Risposte (2)
Jon
il 25 Gen 2022
If you want to plot the sinc value for a range of values then you need to pass it a vector of values.
So for example:
x = linspace(-10,10,1000); % defines a vector with a thousand equally spaced points between -10 and 10
y = sinc(x);
plot(x,y)
You will need to modify with your actual values and scaling constants
3 Commenti
Jon
il 25 Gen 2022
By the way the error message you are getting is because you didn't have a multiplication operator. You need to have something like:
gf = A*T*sinc(ft)
This would have then given another error, because you have not yet defined ft
Jon
il 25 Gen 2022
If you are still just trying to get the basics of using MATLAB I would suggest completing the MATLAB on-ramp https://www.mathworks.com/learn/tutorials/matlab-onramp.html
Yusuf Suer Erdem
il 25 Gen 2022
Hi, try it this way. That is the way how it should be done. But I could not get the exact waveform. Maybe others could help.
t = linspace(-5,5);
f=1./t;
A=5;
y = A.*t.*sinc(f.*t);
plot(t,y)
grid
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