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2 0 Express the derivative in the Hamiltonian operator in sage ( 2018-11-13 22:16:59 +0200 )
10 0 Express the derivative in the Hamiltonian operator in sage ( 2018-11-12 21:17:25 +0200 )
10 0 Define custom unit ( 2018-05-13 12:53:52 +0200 )
Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.