英和和英

語源

From in- +‎ variant.

発音

形容詞

invariant (comparative more invariant, superlative most invariant)

1. Not varying; constant.

   Synonym: invariable

2. (mathematics) Unaffected by a specified operation, especially by a transformation.
   • 2015, A. Rod Gover, Vladimir S. Matveev, “Projectively related metrics, Weyl nullity, and metric projectively invariant equations”, in arXiv‎:

     The fundamental 2-tensor also leads to a new class of invariant linear differential operators that are canonically associated to these geometries; included is a third equation studied by Gallot et al. We apply the results to study the metrisability equation, in the nullity setting described.

3. (programming) Neither covariant nor contravariant.

派生語

関連する語

名詞

invariant (plural invariants)

1. An invariant quantity, function etc.
   • 2015, Ruslan Sharipov, “On positive bivariate quartic forms”, in arXiv‎:

     In the present paper this criterion is reformulated in terms of pseudotensorial invariants of the form..

2. (programming) Ellipsis of class invariant.

派生語