MATLAB: Finding the source of an error in a timer code

Question

    T = timer('Period',400,... %period
            'ExecutionMode','fixedRate',... %{singleShot,fixedRate,fixedSpacing,fixedDelay}
            'BusyMode','drop',... %{drop, error, queue}
            'TasksToExecute',inf,...          
            'StartDelay',0,...
            'TimerFcn',@(~,~)Untitled(q,a,norbert),...
            'StartFcn',[],...
            'StopFcn',[],...
            'ErrorFcn',[]);
    start(T);
Error while evaluating TimerFcn for timer 'timer-1'
Invoke Error, Dispatch Exception: Source: Microsoft Excel Description: Open method of Workbooks class failed Help File: xlmain11.chm Help Context ID: 0

I get the above error from time to time with the above matlab code. I dont know how to eliminate this source of error. Can anyone give me a suggestion? I tried the try catch method but it doesnt help.

thanks

Answer 1

See

• Debug code invoked by timer
• Can't find where the warning msg is from
• http://se.mathworks.com/matlabcentral/answers/1427-what-frustrates-you-about-matlab#answer_76813

"I tried the try catch method but it doesn't help." &nbsp How did you use try-catch-end? I find the following "wrapper" useful

    function  called_by_timer(.) 
        try 
            the_real_function(.)
        catch me
            disp( getReport( me, 'extended', 'hyperlinks', 'on' ) )
        end
    end