looping through files, filenames varying by number in name gives num2str error

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Marilena Geng
Marilena Geng 2016-11-22
评论： Marilena Geng 2016-11-22
Hello everyone, so I wanna do this really simple loop:
for i = 5:9
A = squeeze(nc_varget('/home/forsker1/Documents/GL2/2001-2010/DMI-HIRHAM5_GL2_2001_' num2str(i) '_maskgreenlandglacier.nc','tas'));
%do something
end
but it keeps underlining the num2str(i) and the second last bracket, with the note "invalid syntax, possibly )]} missing". And when I run it I get the error "unexpected Matlab expression". I'm sorry,I know this should be so easy but I just don't get what I'm doing wrong here and it drives me crazy.

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采纳的回答

Guillaume
Guillaume 2016-11-22
You need to tell matlab that you're concatenating strings, thus wrap your concatenation in []:
['/home/forsker1/Documents/GL2/2001-2010/DMI-HIRHAM5_GL2_2001_' num2str(i) '_maskgreenlandglacier.nc']
or in my opinion, better yet, use sprintf:
A = squeeze(nc_varget(sprintf('/home/forsker1/Documents/GL2/2001-2010/DMI-HIRHAM5_GL2_2001_%d_maskgreenlandglacier.nc', i),'tas'))

更多回答（1 个）

KSSV
KSSV 2016-11-22
for i = 5:9
A = squeeze(nc_varget(strcat('/home/forsker1/Documents/GL2/2001-2010/DMI-HIRHAM5_GL2_2001_', num2str(i), '_maskgreenlandglacier.nc'),'tas'));
%do something
end

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