Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: {\displaystyle {\dot {\mathbf {x} }}(t) =A(t) \mathbf {x} (t) +B(t) \mathbf {u} (t) +\mathbf {v} (t),}  Mubvunzo: Tsamba ipi iri pakati pe ( )?
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