On the positivity of multivariable scalar functions

DOI10.1016/S0016-0032(00)00086-7zbMath0983.93063MaRDI QIDQ5939356

Luís Gustavo Soares Longhi, Enrique Luis Lima, Argimiro Resende Secchi

Publication date: 23 April 2002

Published in: Journal of the Franklin Institute (Search for Journal in Brave)

zbMATH Keywords

positivityLyapunov functionsnonlinear quadratic forms

Mathematics Subject Classification ID

Nonlinear systems in control theory (93C10) Lyapunov and storage functions (93D30) Functions of several variables (26B99)

Cites Work

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• H_∞ control via measurement feedback for affine nonlinear systems
• H/sub /spl infin control via measurement feedback for general nonlinear systems
• A procedure for the positive definiteness of forms of even order
• Optimal Regulation of Nonlinear Dynamical Systems

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