I can't for example plus tow elements of the UItable. Why????

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Ted
Ted 2013-8-31
Hi dear any body, When I want to plus tow elements of an uitable data, this below error will appear. how can I solve this problem?
the error : " Undefined function 'plus' for input arguments of type 'cell' "
I Use below command to read the table data.
dat=get(handles.tab1,'data'); n=dat(2,1)+dat(1,1);

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VAIBHAV
VAIBHAV 2013-8-31
I think u need to convert ur string data into numerical format ie dat=str2double(get(handles.tab1,'data'));

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