Need help with understanding this

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Matthew Covington
回答： Image Analyst 2019-3-3
Revise your assign05.m by adding the exist() function to print a message only if the data file is not available. The output should be the same as with assign05.m.
This is a question for an assignment I have, how would I do this? I don't really understand what she wants us to do
  1 个评论
Star Strider
Star Strider 2019-3-3
Reading the documentation on the exist() function should help you understand.

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Image Analyst
Image Analyst 2019-3-3
Hint:
if ~exist(filename............ % Use the 'file' option
% Alert user that the file is not found.
message = sprintf(............
uiwait(errordlg(...............
return;
end
That should be plenty for you to complete the assignment.

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