Interpolating the data given between -pi and pi

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HN
HN 2020-7-12
编辑： KSSV 2020-7-12
I have the following program and wanted to get the value between -π and π. But the program I made below only gives . Any help is apperciated
ts=1/21;
t=0:ts:1;
for k=1:lengtht(t)
th(k)=(k-1)*2*pi/(length(t)-1)
end
Thanks

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回答（1 个）

KSSV
KSSV 2020-7-12
编辑：KSSV 2020-7-12
You can simply use
m = 100 ; % get this value using your ts step size
th = linspace(-pi,pi,m) ;
Using the time step ts..simply use
ts = 1/21 ;
th = -pi:ts:pi ;

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