access icon free Linearisation

Author(s): J. R. Leigh
Source: Essentials of Non-linear Control Theory, p. 29-32
Publication date January 1983

The replacement of a nonlinear function by a linear approximation is known as linearisation. The motivation for linearisation is to allow analysis of a nonlinear problem by linear techniques. The results of such analysis need to be interpreted with care to ensure that the linearising approximation does not cause unacceptably large errors.

Inspec keywords: nonlinear functions; nonlinear control systems; approximation theory; linearisation techniques

Other keywords: nonlinear function; nonlinear control theory; nonlinear problem; linear approximation; linearisation; linear techniques

Subjects: Interpolation and function approximation (numerical analysis); Nonlinear control systems

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