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How can I speedup this code ?

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How can I speed up this code? when I execute this code take much time

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amenah mwuafaq
amenah mwuafaq on 9 Jan 2020
Do you have resources to advise me on how to use (Galois field)?

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Accepted Answer

per isakson
per isakson on 6 Jan 2020
Edited: per isakson on 6 Jan 2020
"I don't have much time [...]. What do you recommend that I do?"
Set Specific Goals. Your goal must be clear and well defined.
  • Chose a small, a medium and a large picture.
  • Your computer system
  • Set acceptable execution times, number of seconds, for encoding and decoding, respectively.
  • ...
Search the File Exchange for galois. There are a handfull of relevant submissions.
Post a new question with a specific title, one that will catch the eye of someone who knows something about encoding, decoding and Galois fields. Carefully select a handfull of tags.
If you have the Parallel Computing Toolbox, a suitable graphical card and some experience, then assess the potential of parallel operations.
Google might find a FORTRAN or C library that you can use to make a mex-file.

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