Constructive algebra methods for the L2-problem for stable linear systems
Automatica (Journal of IFAC)
The Symbolic Methods in Control System Analysis and Design
The Symbolic Methods in Control System Analysis and Design
Scientific Computing with Automatic Result Verification
Scientific Computing with Automatic Result Verification
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Sum of roots with positive real parts
Proceedings of the 2005 international symposium on Symbolic and algebraic computation
Validated numerical computation of the L∞-norm for linear dynamical systems
Journal of Symbolic Computation
Stability of parametric decomposition
ICMS'06 Proceedings of the Second international conference on Mathematical Software
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Symbolic optimization of algebraic functions
Proceedings of the twenty-first international symposium on Symbolic and algebraic computation
Journal of Symbolic Computation
Stability of parametric decomposition
ICMS'06 Proceedings of the Second international conference on Mathematical Software
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This paper is concerned with the relationship between the sum of roots with positive real parts (SORPRP) of an even polynomial and the polynomial spectral factor of the even polynomial. The SORPRP and its relationship to Gröbner bases are firstly reviewed. Then it is shown that the system of equations satisfied by the coefficients of the polynomial spectral factor is directly related to a Gröbner basis. It is then demonstrated by means of an H2 optimal control problem that the above fact can be used to facilitate guaranteed accuracy computation.