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Extract only part of a data sheet

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Inês Mendes
Inês Mendes 2015-5-23
回答： Star Strider 2015-5-23
Hi guys!
If i have an interface in which a user chooses a day and month, how do i extract only the data from that date?
Imagine I have: x= ['08-11-2014 07:45' '10-12-2014 08:00' '09-12-2014 08:15' '09-12-2014 08:30'];
and Y=[2 5 6 7]
If the user choose to study November 8th how do i extract only Y=[2].
Can you help?
Thanks!

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回答（1 个）

Star Strider
Star Strider 2015-5-23
Using the listdlg and msgbox functions (because I like them), this works:
x= ['08-11-2014 07:45'
'10-12-2014 08:00'
'09-12-2014 08:15'
'09-12-2014 08:30'];
Y= [2
5
6
7];
[dateidx,v] = listdlg('PromptString','Select a date', 'SelectionMode', 'Single', 'ListString',x);
msgbox(sprintf('The value corresponding to %s is %0.2f',x(dateidx,:),Y(dateidx)), 'Result');

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