question on Invalid file identifier

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Megan Mirkhanian
Megan Mirkhanian 2020 年 11 月 20 日
回答済み: Srivardhan Gadila 2020 年 11 月 25 日
Hi I keep getting the error Imvalid file identifier. use fopen to generate a valid file identifier.I don’t know what’s wrong, please help! Thank you!
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Geoff Hayes
Geoff Hayes 2020 年 11 月 20 日
編集済み: Geoff Hayes 2020 年 11 月 20 日
Megan - can you post the code for the function that loads the file? I think that is the second m-file shown in your screen shot of the editor. I see that you pass in a path and filename of the file to open, but it would be helpful to show the code that opens that file. Also, please copy and paste the full error message.

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Srivardhan Gadila
Srivardhan Gadila 2020 年 11 月 25 日
Inside your custom function make sure that you obtain the fileID using the fopen function and use it instead of directly using the filename to access the content.
You can look at other MATLAB Answers with the similar issue here: Help Center: Invalid file identifier. Use fopen to generate a valid file identifier.

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