1997 | OriginalPaper | Chapter
Norms and Factorizations
Author : Hidenori Kimura
Published in: Chain-Scattering Approach to H∞ Control
Publisher: Birkhäuser Boston
Included in: Professional Book Archive
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In the recent development of control theory, various kinds of norms of signals and systems play important roles. The norm of signals is a nonnegative number assigned to each signal which quantifies the “length” of the signal. Some of the norms of signals can induce a norm of systems through the input/output relation generated by the system. The notion of induced norm is the key idea of the contemporary design theory of control systems.