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MATLAB error: Invalid file identifier. Use fopen to generate a valid file identifier.

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Bank Yin 2014-7-14

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https://ww2.mathworks.cn/matlabcentral/answers/141827-matlab-error-invalid-file-identifier-use-fopen-to-generate-a-valid-file-identifier

回答： rough93 2019-9-30

I ran the code to output a large matrix(59107200*10) to a csv file and got this error. The script: dlmwrite('fullbrain.csv',fullbrain); Any solutions and reason why this error? Or, are there any better solutions to output a large matrix to a csv file?

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rough93 2019-9-30

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You need to use the fopen command to create a valid file identifier, you can then write code to the file and fclose it after.

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MATLAB Data Import and Analysis Data Import and Export Low-Level File I/O

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