When I save my workspace variables in a version 7.3 MAT-file in MATLAB 7.5 (R2007b), using a command such as
save foo.mat
the size of the file is much larger compared to if I save the file as:
save –v6 foo.mat
or
save –v7 foo.mat
2007b7.5filehdfhdf5largematMATLABsave
save foo.mat
save –v6 foo.mat
save –v7 foo.mat
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