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Caroline Butchart

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University of Cambridge

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18 Feb 2014 Digital Image Correlation and Tracking Calculate displacement and strain from a series of images Author: Christoph Eberl

Hi All,

After running 3D mesh plot of displacement, and deleting markers I then use the 'save validx and valid y' button in the menu. I can save the .dat files, however I get the same error every time I try to open them:

Undefined function 'sum' for input arguments of type 'cell'.

Error in mean (line 30)
y = sum(x,dim)/size(x,dim);

Error in displacement (line 52)
validxfirst=mean(validx(:,1),2)*ones(1,sizevalidx(1,2));

I don't get this error with the original validx and y files. But then I need to re-delete badly tracked markers. Has anyone encountered this?

Thanks for the code

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