Fread a ubyte file

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Kris zenitis 2014-2-21

评论： Walter Roberson 2014-2-21

I am trying to fread a file with the following command:

f = fopen('t10k-images-idx3-ubyte','r');
[a,count] = fread(f,4,'int32');

However, I am receiving Invalid file identifier. Use fopen to generate a valid file identifier. What exactly this mean?

Walter Roberson 2014-2-21

What does

dir('t10k-images-idx3-ubyte*')

show?

Have you checked to be sure you are in the correct directory?

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