remez function not working
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I am using the remez function in a Filter and impulse response exercise. It is however giving me an error "??? Index exceeds matrix dimensions." Below is the short code where the error is coming in:
N = 41; F = [0 F1 F2 1]; M = [0 0 1 1]; B = remez(N-1,F,M)
I am struggling to figure out what it is I am doing wrong
采纳的回答
Wayne King
2012-9-25
You have not told us what F1 and F2 are, so we cannot reproduce your problem.
But, something like:
N = 41;
F = [0 0.2 0.4 1];
M = [0 0 1 1];
B = remez(N-1,F,M);
will work.
1 个评论
Ismail Ouraich
2015-1-29
I ran you code, but I still got this error message: "Undefined function 'remez' for input arguments of type 'double' " . Any help with this would greatly appreciated.
更多回答（1 个）
Wayne King
2012-9-25
You did not tell us what Fs is
Fstop=2005; Fcutoff=2500;
F1=2*Fcutoff/Fs; F2=Fstop/Fs;
but the potential problem is here that your F1 can be higher than your F2 value. Your frequencies have to be increasing in the frequency vector
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