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This is an implementation of (7,4) hamming code using belief propagation

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An implementation of (7,4) hamming code using belief propagation

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Given a parity-check matrix,
pchkArray = [1, 1, 1, 0, 1, 0, 0;
             0, 1, 1, 1, 0, 1, 0;
             1, 0, 1, 1, 0, 0, 1];
for (7,4) hamming code

and noiseCodeword = [1, 0, 1, 1, 0, 0, 0]; with 1 bit error
The belief propagation algorithm is used to correct the error.

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