hello sir i want to find a nonzero number in my total error signal ?

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irfan
irfan 2016-5-26
评论： irfan 2016-5-26
my original signal is X and my Recovered signal is X_re and the total Error which i count between them is Error=X-X_re; now i have to find nonzero number in my error signal so how can i will find it thanks in advance
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John BG
John BG 2016-5-26
what is the context?
are you reading from and instrument?
what is the type of X X_re and Error? double?
why do you ignore X_im?
please supply a sample in same way you attempt to process, whether file or workspace variables

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KSSV
KSSV 2016-5-26
idx = find(Error~=0) ; % Gives the indices of non-zero numbers in Error
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irfan
irfan 2016-5-26
k_r1=N-number; Rate=k_r1/N Rate_3(snr_num)=mean(Rate(snr_num,:)); sir when i find number of nonzero values and run it its gives me error after some values because i want to find snr from 10 to 50 db for 100 experiments

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