Abstract
A motivation is given for expressing classical mechanics in terms of diagonal projection matrices and diagonal density matrices. Then quantum mechanics is seen to be a simple generalization in which one replaces the diagonal real matrices with suitable Hermitian matrices.
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Alberta-Thy-06-02, quant-ph/0204015.
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Page, D.N. Quantum Mechanics as a Simple Generalization of Classical Mechanics. Found Phys 39, 1197 (2009). https://doi.org/10.1007/s10701-009-9324-7
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DOI: https://doi.org/10.1007/s10701-009-9324-7