> Well, clearly it isn't a recognizable .mat file. > > > > Did you try Matlab's suggestion? > > > > Was the file written from Matlab or is it just a stream file or some > > other format from some other source?
My file is a text file.I opened the text file with matlab an i saved the file .mat format.But then i didn't open the .mat file in matlab. My file contains numeric data.I guess I was an error saving the file.