Dynamic Link between MATLAB and EXCEL

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Tolutola
Tolutola 2012-11-7
Hello, Is it possible to create a dynamic link between cells in excel and matlab variables? It would be really nice if the spreadsheet link tool can enable spreadsheet cell values to update when matlab variables change and vice versa. I've tried to figure it out with the spreadsheet link tool but I seem not to get it.
Thanks.
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Jan
Jan 2012-11-7
It is not trivial to let even Matlab itself perform an action, when a variable is changed.
Image Analyst
Image Analyst 2012-11-7
Not sure I understand that comment. MATLAB's own built-in variable spreadsheet (what you get if you double click a variable in the workspace panel) does change immediately when you change a variable (say in the command window or in your code).

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Friedrich
Friedrich 2012-11-7
编辑：Friedrich 2012-11-7
Hi,
triggering some MATLAB calaculation when a Cell is changed in an Excel Worksheet is doable with some VBA programming knowledge. Each Excel sheet raises an event:
http://msdn.microsoft.com/en-us/library/office/ff839775.aspx
when something is chnaged in that sheet. You also get the Range Object which tells you what changed. So you get an event when something changes and you also get information about what Range changes. From there on you can determine if a MATLAB action is needed and call MATLAB to perform whatever you need if necessary. See "Data export to MATLAB" and "Data import from MATLAB" here:
http://www.mathworks.com/help/exlink/index.html
The other way around is the very tricky one. So when some value in MATLAB changes one need to notify Excel in a smart way without creating a deadlock. At the moment I haven't a good idea how to do that. If I come up with something I will post it here.
  1 个评论
Tolutola
Tolutola 2012-11-7
Thanks a lot, I'll try using some VBA code and MATLAB's spreadsheet link toolbox.

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