Write a for loop that converts the Data (Data.data) in the text file into matrix of 13 by 31 or 31 by 13.

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Tunde Adubi
Tunde Adubi 2022-4-12
评论： DGM 2022-4-12
The data should be imported and converted into a matrix of 13 x 31.

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DGM
DGM 2022-4-12
This should be one way:
alltext = split(fileread('Textfile.txt'),newline);
allnums = regexp(alltext(1:end-1),'(?<=:\s*)[+-E\d]+','match');
allnums = cellfun(@str2double,allnums);
allnums = reshape(allnums,13,[])

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