Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mathematics A basis for a vector space consisting entirely of eigenvectors.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

eigen- +‎ basis

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Examples

  • There is a preferred basis for calculating thermodynamic entropy, I suspect, and it’s the only one I’ve ever heard used - the eigenbasis of the Hamiltonian, or states of definite energy.

    Arrow of Time FAQ Sean 2007

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