State audit and financial control bodies, including the Supreme Audit Chamber of Republic Kazakhstan, commissions authorized internal state strive to adapt new information space change their business processes by replacing traditional procedures carried out auditors with automated systems for searching, processing, analyzing controlling information. Currently, they use a number databases, but t...

The article investigates the problem of estimating state a time-varying system with linear measurement model; in particular, considers case where number measurements available can be smaller than states. In lieu batch least-squares approach—well-suited for static networks, sufficient could collected to obtain full-rank design matrix—the proposes an online algorithm estimate possibly by processi...