open a file in matlab

To open a file in MATLAB, you can use the fopen function. The following code shows how to open a text file for reading:

fileID = fopen('filename.txt','r');
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This returns a file identifier, which you can use to read the contents of the file using other functions, such as fgets, fgetl, fscanf, or textscan.

Once you have finished reading the file, you should close it using the fclose function:

fclose(fileID);
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This ensures that any resources used by the file are released.

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