释义 |
- See also
{{Wiktionary|covariance|contravariance}}Covariance and contravariance may refer to: - Covariance and contravariance of vectors, in mathematics and theoretical physics
- Covariance and contravariance of functors, in category theory
- Covariance and contravariance (computer science), whether a type system preserves the ordering ≤ of types
See also- Covariance, in probability theory and statistics, the measure of how much two random variables vary together
- Covariance (disambiguation)
{{Mathematical disambiguation}} |