fprintf for cell array data

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sermet OGUTCU 2021-11-18

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1589869-fprintf-for-cell-array-data

评论： Yongjian Feng 2021-11-18

data_double = 32 x 7 double
fprintf(fid,'%02d     %.3f           %.3f         %.3f         %.3f          %.3f          %.3f\n', data_double.');

It prints the data_double in a text file with 32 rows and 7 columns.

I have a cell data consists of char and double columns as follows:

data_cell=
1×3 cell array
{32×3 char}    {32×3 double}    {32×3 double}

I need to print this data_cell in a text file using the similar type as print of data_double (i.e, 32 rows and 7 columns). When I tried;

fprintf(fid,'%02s     %.3f           %.3f         %.3f         %.3f          %.3f          %.3f\n', data_cell.');

Error using fprintf
Function is not defined for 'cell' inputs.

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Answer 1

Yongjian Feng 2021-11-18

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https://ww2.mathworks.cn/matlabcentral/answers/1589869-fprintf-for-cell-array-data#answer_834694

在 MATLAB Online 中打开

Try to convert your cell data into char first.

char(the_cell_you_want_to_print)

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sermet OGUTCU 2021-11-18

在 MATLAB Online 中打开

char(data_cell) gave this error:

Error using char
Cell elements must be character arrays.

Yongjian Feng 2021-11-18

在 MATLAB Online 中打开

Maybe you want to list out the cell one by one like this:

fprintf(fid,'%02d     %.3f           %.3f         %.3f         %.3f          %.3f          %.3f\n', data_double{1}, num2str(data_double{2}), num2str(data_double{3}), num2str(data_double{4}), num2str(data_double{5}), num2str(data_double{6}), num2str(data_double{7}));

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