- matrix mechanics
- noun plural but singular or plural in construction
: a quantum mechanics based upon the application of postulates connecting frequencies and intensities of spectrum lines by the use of a matrix-involving algebra
* * *Physics.a formulation of non-relativistic quantum mechanics in which physical quantities are represented by matrices and matrix algebra is used to predict the outcome of physical measurements.Cf. wave mechanics.
* * *matrix mechanics,Physics. a formulation of quantum mechanics using spectroscopic data and matrix algebra, developed by Werner Heisenberg. It is mathematically equivalent to the theory of wave mechanics.
Useful english dictionary. 2012.
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