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Out of memory error in BWT encoder code

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Mojgan
Mojgan 2013-5-10
Hi guys
I tried to use BTW encoder from following link: http://www.mathworks.com.au/matlabcentral/fileexchange/4904-bwt-encoder-and-decoder/content/bwt_matlab_code/bwtenc.m
But when I send it a .pdf file of article for example 20 pages or more,I get following error:
Out of memory. Type HELP MEMORY for your options.
Error in bwtenc (line 32) to_sort=zeros(length(a),length(a),'int32');
Do you have any suggestion to improve the BWT code?
Regards Mojgan

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回答（1 个）

David Sanchez
David Sanchez 2013-5-10
The BTW is designed for .txt files, not .pdf. I'm not an expert in .pdf encryption, but I think it's quite different from .txt's.
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Mojgan
Mojgan 2013-5-10
It doesn't matter.I can convert it to .txt
It works with both of them but the problem is that when the file is big,it can't manage the memory

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