problem with dlmwrite

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huda nawaf
huda nawaf 2011-12-6
hi, I have :
aa1=[aa(1) aa(2) aa(3) aa(4) ];
aaseq(i,k2)={aa1};
dlmwrite('d.txt',aaseq);
I got this error:
??? Error using ==> dlmwrite at 112 The input cell array cannot be converted to a matrix.
how solve this problem?
thanks in advance

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回答（2 个）

Sean de Wolski
Sean de Wolski 2011-12-6
Don't convert it to a cell array with the {}.
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Sean de Wolski
Sean de Wolski 2011-12-6
Why note just save it to a matfile:
doc save
?
huda nawaf
huda nawaf 2011-12-6
i did
s='m.mat'
for ex. x={'gh' 'kl'};
save(s,'x')
but when click on m.mat file did not opened

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Walter Roberson
Walter Roberson 2011-12-6
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Walter Roberson
Walter Roberson 2011-12-7
Remember that when you use that code, you need to explicitly add any commas you want between elements.
I do not recommend using dlmwrite for character data: I only devised the code to do it because someone said it couldn't be done at all and I was feeling contrary.
If you want to write a cell array of strings in delimited form, you should use code such as
fid = fopen('k.txt','wt');
fmt = [ repmat('%s,', 1, size(aaseq,2)-1), '%s\n' ];
fprintf(fid, fmt, aaseq{:});
fclose(fid)
If you want double-quotes to appear around every string field, then modify the fmt line to
fmt = [ repmat('"%s",', 1, size(aaseq,2)-1), '"%s"\n' ];
huda nawaf
huda nawaf 2011-12-8
thanks
i got file as I want when use what u suggested:
sdf,fgh
dfg,jkl
now, I want to read it
now i can read it by dlmread,right?
if so, why I got this error
??? Error using ==> dlmread at 145
Mismatch between file and format string.
Trouble reading number from file (row 1, field 1) ==> sdf,f

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