converting binary to string

hi, im having trouble with finding the string at the end of the code. the error seems to be in the last part. can you please help me resolve it?

stream_n = reshape (msg_error_checked', n, [])';
info_stream = stream_n (:, 1: k);
question = dec2bin (char (info_stream'+  '0' ));
real = '';  
%%real = strcat( real,char(bi2de(question,'left-msb')));

[Sanjay Ravichandran]

This is a extension of my question:

https://www.mathworks.com/matlabcentral/answers/531318-converting-binary-characters-into-a-char-error?s_tid=prof_contriblnk

Answer 1

[Ameer Hamza]

Something like this?

x = [1 0 0 1 1 1 0 0 1 1];
y = strrep(num2str(x), ' ', '')

Result

y =
    '1001110011'

[Aravind chockaiaah KANNAN]

thanks for the reply. but i cant able to get the binary itself.

[Aravind chockaiaah KANNAN]

i realised that my question was unclear. for additional info.....i have attached a plot, from which i got the values from. i'm trying to use (k,n) = (4,7). but im getting an error saying....... https://www.mathworks.com/matlabcentral/answers/531318-converting-binary-characters-into-a-char-error?s_tid=prof_contriblnk. the same.