mpb syntax to calculate group velocity

"Samapan Sikdar" <[email protected]> 22 Mar 2011 09:47:27 -0000
Newsgroups gmane.comp.science.photonic-bands
Message-ID <[email protected]>
what is the mpb code to calculate group velocity at each k-point.its better if a sample mpb program to calculate group velocity is mailed to me.
kindly reply asap.


samapan

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