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the variable can't be classified with parfor

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Ahmed
Ahmed on 7 Sep 2014
Closed: MATLAB Answer Bot on 20 Aug 2021
I have large code and need fix the error of variable(perror) as can't be classified and I can summarized my code.
ind=1; indx =1; limit=4; % Opening the output file
fid=fopen('Parallel_k_n_L_test_16_6_2014.txt','wt');
parfor SNR=0:5
undetected_errors = 0;
SNR
frmerror=0;
bitnerr=0;
frames=0;
.
.
.
.
% Decoder ---------------
[success,kr,dd0,x_hat1]=turbo_decoder_infectious_no_int_z_9_6_2010(rcv,si,H1,co,fid,frames);
% ---------------------------------------------
dseq1=dd0;
% B E R ------------------
error=sum(abs(dseq1-b));
perror1=error/size(b,2);
perror(frames)=perror1; %(the problem here)
if error~=0
frmerror=frmerror+1
bitnerr=bitnerr+error;
if success == 1
undetected_errors = undetected_errors +1;
c_w(indx,:) = co;
noise_w(indx,:) = noise;
b_w(indx,:) = b;
kr_w(indx,:) = kr;
x_hat1_w(indx,:) = x_hat1;
indx = indx +1;
end
end
merror=mean(perror);
ferror(ind)=merror;
frmerr(ind)=frmerror;
ind=ind+1;
bits=frames*size(G1,1);
BER=bitnerr/bits
FER=frmerror/frames
end
fclose('all');
semilogy(SNR,BER);
the result un error as the variable perror can't be classified
so plz can anyone help me fix the problem me make other other variables and shall need matlabpool for high speed? also my program working well for.

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