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Last change
on this file since 71 was
19,
checked in by gostiaux, 15 years ago
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the private files have been moved down to the root folder
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File size:
900 bytes
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| 1 | %'stra2num': transform letters (a, b, c) or numerical strings ('1','2'..) to the corresponding numbers
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| 2 | %--------------------------------------------
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| 3 | % function numres=stra2num(str)
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| 4 | %
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| 5 | % OUTPUT:
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| 6 | % numres: number (double)
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| 7 | %
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| 8 | % INPUT:
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| 9 | % str: string corresponding to a number or a letter 'a' 'b',.., otherwise the output is empty
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| 10 | %
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| 11 | % see also num2stra, name_generator, name2display
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| 12 |
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| 13 | function numres=stra2num(str)
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| 14 | numres=[]; %default
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| 15 | if double(str) >= 48 & double(str) <= 57 % = test for number strings
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| 16 | numres=str2num(str);
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| 17 | elseif double(str) >= 65 & double(str) <= 90 % test on ascii code for capital letters
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| 18 | numres=double(str)-64; %change capital letters to corresponding number in the alphabet
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| 19 | elseif double(str) >= 97 & double(str) <= 122 % test on ascii code for small letters
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| 20 | numres=double(str)-96; %change small letters to corresponding number in the alphabet
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| 21 | end
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