# Rank Deficiency of Kalman Error Covariance Matrices in Linear Time-Varying System With Deterministic Evolution

> Research article (SIAM Journal on Control and Optimization, 2017) · cited 23× · AI/ML

**Wikidata**: [openalex:W2319012342](https://www.wikidata.org/wiki/openalex:W2319012342)  
**Source**: https://4ort.xyz/entity/rank-deficiency-of-kalman-error-covariance-matrices-in-linear-time-varying-system-with-deterministic-evolution