make-ldpc ex-ldpc36-1000a.pchk 1000 2000 1 evenboth 3 no4cycleEliminated 24 cycles of length four by moving checks within columnmake-gen  ex-ldpc36-1000a.pchk ex-ldpc36-1000a.gen denseNumber of 1s per check in Inv(A) X B is 400.3rand-src  ex-ldpc36-1000a.src 1 1000x100encode    ex-ldpc36-1000a.pchk ex-ldpc36-1000a.gen ex-ldpc36-1000a.src \          ex-ldpc36-1000a.encEncoded 100 blocks, source block size 1000, encoded block size 2000# NOISE STANDARD DEVIATION 0.80, Eb/N0 = 1.94 dBtransmit ex-ldpc36-1000a.enc ex-ldpc36-1000a.rec 1 awgn 0.80Transmitted 200000 bitsdecode   ex-ldpc36-1000a.pchk ex-ldpc36-1000a.rec ex-ldpc36-1000a.dec awgn 0.80\         prprp 250Decoded 100 blocks, 100 valid.  Average 10.8 iterations, 11% bit changesverify   ex-ldpc36-1000a.pchk ex-ldpc36-1000a.dec ex-ldpc36-1000a.gen \         ex-ldpc36-1000a.src Block counts: tot 100, with chk errs 0, with src errs 0, both 0Bit error rate (on message bits only): 0.000e+00# NOISE STANDARD DEVIATION 0.85, Eb/N0 = 1.41 dBtransmit ex-ldpc36-1000a.enc ex-ldpc36-1000a.rec 1 awgn 0.85Transmitted 200000 bitsdecode   ex-ldpc36-1000a.pchk ex-ldpc36-1000a.rec ex-ldpc36-1000a.dec awgn 0.85\         prprp 250Decoded 100 blocks, 88 valid.  Average 52.2 iterations, 12% bit changesverify   ex-ldpc36-1000a.pchk ex-ldpc36-1000a.dec ex-ldpc36-1000a.gen \         ex-ldpc36-1000a.src Block counts: tot 100, with chk errs 12, with src errs 12, both 12Bit error rate (on message bits only): 7.490e-03# NOISE STANDARD DEVIATION 0.90, Eb/N0 = 0.92 dBtransmit ex-ldpc36-1000a.enc ex-ldpc36-1000a.rec 1 awgn 0.90Transmitted 200000 bitsdecode   ex-ldpc36-1000a.pchk ex-ldpc36-1000a.rec ex-ldpc36-1000a.dec awgn 0.90\         prprp 250Decoded 100 blocks, 19 valid.  Average 209.4 iterations, 11% bit changesverify   ex-ldpc36-1000a.pchk ex-ldpc36-1000a.dec ex-ldpc36-1000a.gen \         ex-ldpc36-1000a.src Block counts: tot 100, with chk errs 81, with src errs 81, both 81Bit error rate (on message bits only): 6.529e-02# NOISE STANDARD DEVIATION 0.95, Eb/N0 = 0.45 dBtransmit ex-ldpc36-1000a.enc ex-ldpc36-1000a.rec 1 awgn 0.95Transmitted 200000 bitsdecode   ex-ldpc36-1000a.pchk ex-ldpc36-1000a.rec ex-ldpc36-1000a.dec awgn 0.95\         prprp 250Decoded 100 blocks, 1 valid.  Average 248.0 iterations, 9% bit changesverify   ex-ldpc36-1000a.pchk ex-ldpc36-1000a.dec ex-ldpc36-1000a.gen \         ex-ldpc36-1000a.srcBlock counts: tot 100, with chk errs 99, with src errs 99, both 99Bit error rate (on message bits only): 1.055e-01