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Using cases with strings

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JP
JP 2013-6-19
Hi, Im trying to make the following code work and it just wont seem to do what I want
Astr = '123456789'
switch Astr
case strcmp(Astr([2:4,5:7]), '234567' )
x = 5
case strcmp(Astr([2:4,5:7]), '123567' )
x = 6
case strcmp(Astr([2:4,5:7]), '345567' )
x = 7
otherwise
x = 8
end
I think it has to do with the way Im defining the string values, it keeps outputting x = 8 (the otherwise case). Please let me know how to fix thanks!

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Iain
Iain 2013-6-19
What you put after the case needs to be every valid option to enter that case, and NOT an operation.
switch Astr([2:4,5:7])
case {'234567', '765432'}
x = 5;
case '123567'
x = 6;
case '234567'
x = 7;
otherwise
x=8;
end
  1 个评论
JP
JP 2013-6-19
What if my Astr is constantly changing length, so I want to check a different interval?
Say for case 1, I want to check the interval 2:4,5:7, but then in case 2 I want to check the interval 3:5,6:8?

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