In physics, an observable is a physical property or physical quantity that can be measured. In classical mechanics, an observable is a real-valued "function"...

The observable universe is a spherical region of the universe consisting of all matter that can be observed from Earth; the electromagnetic radiation from...

Observability is a measure of how well internal states of a system can be inferred from knowledge of its external outputs. In control theory, the observability...

In mathematics, in the representation theory of algebraic groups, an observable subgroup is an algebraic subgroup of a linear algebraic group whose every...

partially observable system is one in which the entire state of the system is not fully visible to an external sensor. In a partially observable system the...

In software engineering, more specifically in distributed computing, observability is the ability to collect data about programs' execution, modules' internal...

{y}}(t)={\boldsymbol {Cx}}(t)+{\boldsymbol {Du}}(t)\end{array}}} is observable, where A {\displaystyle {\boldsymbol {A}}} , B {\displaystyle {\boldsymbol...

Stealth technology, also termed low observable technology (LO technology), is a sub-discipline of military tactics and passive and active electronic countermeasures...

A partially observable Markov decision process (POMDP) is a generalization of a Markov decision process (MDP). A POMDP models an agent decision process...

can only be inferred indirectly through a mathematical model from other observable variables that can be directly observed or measured. Such latent variable...

metaphysics. A Ramsey sentence aims at rendering propositions containing non-observable theoretical terms (terms employed by a theoretical language) clear by...

A phenomenon (pl. phenomena), sometimes spelled phaenomenon, is an observable event. The term came into its modern philosophical usage through Immanuel...

programming languages. ReactiveX is an API for asynchronous programming with observable streams. Asynchronous programming allows programmers to call functions...

theories. For this role, evidence must be public and uncontroversial, like observable physical objects or events and unlike private mental states, so that evidence...

different situations, depending on whether every sequential state is observable or not, and whether the system is to be adjusted on the basis of observations...

In quantum mechanics, a complete set of commuting observables (CSCO) is a set of commuting operators whose common eigenvectors can be used as a basis...

the Milky Way, which is one of a few hundred billion galaxies in the observable universe. Many of the stars in a galaxy have planets. At the largest scale...

sphere, causal sphere and sphere of causality is a spherical region of the observable universe surrounding an observer beyond which objects recede from that...

variables. Observability is a measure for how well internal states of a system can be inferred by knowledge of its external outputs. The observability and controllability...

In high energy physics, event shapes observables are quantities used to characterize the geometry of the outcome of a collision between high energy particles...

Inc. is an American multinational technology company that provides an observability platform. Their software is used to monitor, analyze, and optimize application...

The no-observed-adverse-effect level (NOAEL) denotes the level of exposure of an organism, found by experiment or observation, at which there is no biologically...

existence, nature, properties, qualities or relations are not directly observable by humans. In philosophy of science, typical examples of "unobservables"...

the distance from which one could possibly retrieve information. This observable constraint is due to various properties of general relativity, the expanding...

James A. Yorke (born August 3, 1941) is a Distinguished University Research Professor of Mathematics and Physics and former chair of the Mathematics Department...

persistence of these former inhabitants' genes among the modern Uyghurs is both observable and scientifically demonstrable.32 Early Chinese sources describe the...

occurring physical entity, association, or structure that exists within the observable universe. In astronomy, the terms object and body are often used interchangeably...

Venus is the second planet from the Sun. It is often called Earth's "twin" or "sister" planet, being orbital neighbours as well as Venus having the most...

systems by rephrasing the gravitational waves in terms of the manifestly observable Riemann curvature tensor. At the time, Pirani's work was overshadowed...

Datadog, Inc. is an American company that provides an observability service for cloud-scale applications, providing monitoring of servers, databases,...