Save data sets in different places

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Bajdar Nour
Bajdar Nour 2018-8-19
评论： Image Analyst 2018-8-20
the output result only saves the last (unusual1.dat) file instead of all three.
if f==1 save Norm.dat stats -ascii %Save data to dat file using ascii
else if f==2 save Unusual.dat stats -ascii
else
save Unusual2.dat stats -ascii
end
end
Could you help me where is my problem, please?

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Stephen23
Stephen23 2018-8-20
编辑：Stephen23 2018-8-20
The mistake that both you and Image Analyst made is to use command syntax, whereas you need to use function syntax like this:
fnm = sprintf('Unusual%d.dat', f);
save(fnm,'stats','-ascii')
This is clearly explained in the MATLAB help: "When a function input is a variable, you must use function syntax to pass the value to the function."
source: https://www.mathworks.com/help/matlab/matlab_prog/command-vs-function-syntax.html

更多回答（1 个）

Image Analyst
Image Analyst 2018-8-19
编辑：Image Analyst 2018-8-19
I guess then that f never obtains the value of anything other than 1 or 2.
Please read this: http://www.mathworks.com/matlabcentral/answers/13205#answer_18099
In your loop, construct the file name with sprintf and use that instead of the multiple if block:
filename = sprintf('Unusual%d.dat', f);
save filename stats -ascii

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