to save the existing file can I use append function?

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Tulips
Tulips le 20 Oct 2012
hi sir,I use append function in matlab to save the existing image that have been save in a folder. however, when I run the program again, the image is overwritten and rewrite with other image.what should I do.thanks! syntax: filename1:strcat('user/matlab/folder',num2str,'.jpg')) imwrite(x,filename1,'writemode','append')
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Image Analyst
Image Analyst le 20 Oct 2012
I don't know what this means. Do you want a multi-page tiff image? I've never heard of a multi-page (multi-image) jpeg file. Or do you want to stitch together two images so they make one tall (or wide) array with both images side by side?

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Jan
Jan le 20 Oct 2012
  1. You cannot append to a JPEG.
  2. You num2str does not have an argument.
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Tulips
Tulips le 20 Oct 2012
the x is the argument actually. how to append jpeg file by the way.instead of use sprintf.

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