Mercurial > hg > camir-aes2014
diff toolboxes/FullBNT-1.0.7/bnt/examples/dynamic/HHMM/Mgram/letter2num.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolboxes/FullBNT-1.0.7/bnt/examples/dynamic/HHMM/Mgram/letter2num.m Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,12 @@ +function n = letter2num(l) + +% map a-z to 1:26 and A-Z to 27:52 +punct_code = [32:47 58:64 91:96 123:126]; +digits_code = 48:57; +upper_code = 65:90; +lower_code = 97:122; + +c = double(l); +n = c-96; +ndx = find(n <= 0); % upper case +n(ndx) = c(ndx) - 64 + 26;