Sorting cell arrays with characters and numbers

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Araya Mengistu 2022-10-30

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https://ww2.mathworks.cn/matlabcentral/answers/1839418-sorting-cell-arrays-with-characters-and-numbers

评论： Thomas Jarry 2022-11-5

Given a cell array such as {'a1', 'a2', 'a3'...'a9', 'a10', 'a11','a12'}, in random order ofcourse, using the sort function gives me {'a1', 'a10', 'a11','a12','a1','a2',...'a9'}. What method can be used to get the right order?

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Answer 1

Stephen23 2022-10-30

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https://ww2.mathworks.cn/matlabcentral/answers/1839418-sorting-cell-arrays-with-characters-and-numbers#answer_1087453

编辑：Stephen23 2022-10-30

在 MATLAB Online 中打开

"What method can be used to get the right order?"

You could download my FEX submission NATSORT:

https://www.mathworks.com/matlabcentral/fileexchange/34464-customizable-natural-order-sort

unzip it onto your MATLAB search path or into the current directory, then call it like this:

C = {'a11', 'a9', 'a3', 'a2', 'a12', 'a1','a10'}
C = 1×7 cell array
    {'a11'}    {'a9'}    {'a3'}    {'a2'}    {'a12'}    {'a1'}    {'a10'}
D = natsort(C)
D = 1×7 cell array
    {'a1'}    {'a2'}    {'a3'}    {'a9'}    {'a10'}    {'a11'}    {'a12'}