MATLAB: Manipulate matrix dimension (ignoring lines)

I have number of matrices sized (203*12),however Matlab doesn't read the first two lines because they are texts. Therefore, I want command to ignore these two lines for all the number of matrices resulting new matrices (201*12) in dimension.

thanks

Best Answer

Use the textscan (link) function.

Define: 'HeaderLines',2 in the name-value pair arguments.

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MATLAB: Reading a .dat file with textread

jpg images are binary images, but textread() is for reading text files.

Does the .dat file perhaps contain the names of the images rather than the images themselves?

There is no standard format for .dat files: it is a suffix used by any program to hold any data. You need to know the internal structure of that particular .dat file in order to work with it. It might be pure text (most .dat files are not).

If you can upload a sample of the file, someone might have a look at it. http://www.mathworks.com/matlabcentral/answers/7924-where-can-i-upload-images-and-files-for-use-on-matlab-answers

MATLAB: Remove the header while reading from a text file

Use textscan:

fidi = fopen('surjendu 0518060.txt','r');
Datac = textscan(fidi, repmat('%f', 1, 480), 'HeaderLines',1, 'CollectOutput',1);
Data = Datac{1};

The ‘Data’ variable is your (480x480) double array.

Best Answer

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MATLAB: Reading a .dat file with textread

MATLAB: Remove the header while reading from a text file

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