Since ˜A V(x 0) =A| V(x 0), andV(x 0)isA−invariant(), it is also ˜A−invariant: ∀v∈V: ˜Av=Av () ∈V⇐ ⇒ ˜AV⊆V def

Sufficiency ("⇐="): Let ( ˜A, ˜B) be any block matrix in Rn×(n+m) such that ˜A V(x 0) =A| V(x 0), ˜B=B

1 Pith paper cite this work. Polarity classification is still indexing.

1 Pith paper citing it

browse 1 citing papers

representative citing papers

cs.LG · 2026-05-12 · unverdicted · novelty 7.0

The reachable subspace dynamics of LTI systems remain uniquely identifiable from any experiment, even when the full system is not.

Showing 1 of 1 citing paper.

Limits of Learning Linear Dynamics from Experiments cs.LG · 2026-05-12 · unverdicted · none · ref 35
The reachable subspace dynamics of LTI systems remain uniquely identifiable from any experiment, even when the full system is not.