**2.** Noun. A measure of the extent to which something is observable ¹

¹ *Source: wiktionary.com*

### Definition of Observability

**1.** [n -TIES]

### Lexicographical Neighbors of Observability

### Literary usage of Observability

Below you will find example usage of this term as found in modern and/or classical literature:

**1.** *Future Air Force Needs for Survivability* by National Research Council (U.S.) (2006)

"Assessing the Operational Utility of Speed and **observability** Trade-offs Determining
a "good balance" between the speed and **observability** of a future air ..."**2.** *Geometry and Identification: Proceedings of Apsm Workshop on System Geometry* by Peter E. Caines, Robert Hermann (1983)

"... **observability** AND CONTROLLABILITY Arjan van der Schaft ABSTRACT. Several
representations of smooth nonlinear systems with external variables are ..."**3.** *Cartanian Geometry, Nonlinear Waves, and Control Theory* by Robert Hermann (1979)

"CONTROLLABILITY AND **observability** AS A VECTOR BUNDLE PROPERTY Now, consider an
input-output system: = Ax + Bu (7.1) y = Cx Convert it into an algebraic form ..."**4.** *Linear Systems Theory and Introductory Algebraic Geometry* by Robert Hermann (1974)

"... hence it can usually be left out, ie be set equal to zero. 4. IMPULSE RESPONSE
AND TRANSFER FUNCTIONS; **observability** AND CONTROLLABILITY ..."**5.** *Geometric Structure of Systems-Control Theory and Physics, Part A* by Robert Hermann (1974)

"**observability** OF LINEAR, TIME-DEPENDENT SYSTEMS As we have seen in Section 4,
**observability** questions for non-linear systems may be “linearized,” and ..."**6.** *Proceedings of the Berkeley-Ames Conference on Nonlinear Problems in Control* by L. R. Hunt, Clyde Martin (1984)

"As a technical point it is noticed that the **observability** theory in [1] pertains
to nonlinear differential equations--without control--but it is shown in ..."**7.** *The Economy of Happiness* by James MacKaye (1906)

"In dreams also, **observability** does not secm to imply existence, a source of
difficulty which we shall presently consider. I shall confine the meaning of the ..."