**Hidden variables** may refer to:

- Hidden variable theories, in physics, the proposition that statistical models of physical systems (such as Quantum Mechanics) are inherently incomplete, and that the apparent randomness of a system depends not on collapsing wave functions, but rather due to unseen or unmeasurable (and thus "hidden") variables. In sharp contrast to the generally accepted Copenhagen Interpretation.
- Latent variables, in statistics, variables that are inferred from other observed variables
- Hidden transformation, in computer science, a way to transform a generic constraint satisfaction problem into a binary one by introducing new
**hidden variables** - Confounding or hidden variables in general. That is, a variable that actually creates the illusion of a causal relation (e.g. firemen often appear after smoke, not because smoke causes firemen, but because
*fire*causes both smoke and firemen)

### Other articles related to "hidden variable":

Kochen–Specker Theorem - History

... by von Neumann, purporting to prove the impossibility of the

... by von Neumann, purporting to prove the impossibility of the

**hidden variable**theories yielding the same results as quantum mechanics ... of quantum mechanics, generally accepted as a**hidden variable**theory underpinning quantum mechanics ... assume that quantum reality is nonlocal, and that probably only local**hidden variable**theories are in disagreement with quantum mechanics ...Superdeterminism

... arguably unlikely, that someone could exploit this loophole to construct a local

... arguably unlikely, that someone could exploit this loophole to construct a local

**hidden variable**theory that reproduces the predictions of quantum mechanics ... performed at each detector can be chosen independently of each other and of the**hidden variable**being measured ... It is unlikely for the**hidden variable**to be sensitive to all of the same small influences that the random number generator was ...Local

... It will be the "

**Hidden Variable**Theory - Bell Tests With No "non-detections"... It will be the "

**hidden variable**" in our model ... Taking it to be a unit vector, all possible values of the**hidden variable**are represented by all points on the surface of a unit sphere ... for any given pair of particles is determined by the region within which their**hidden variable**falls ...Kochen–Specker Theorem - Remarks On The KS Theorem

... Since subquantum reality (as described by the

... Since subquantum reality (as described by the

**hidden variable**theory) may be dependent on the measurement context, it is possible that relations between quantum ... Hence, the KS theorem does only exclude noncontextual**hidden variable**theories ... Elements of physical reality, if existing, would seem to need a subquantum (**hidden variable**) theory for their description rather than quantum mechanics ...### Famous quotes containing the words variable and/or hidden:

“There is not so *variable* a thing in nature as a lady’s head-dress.”

—Joseph Addison (1672–1719)

“Impenetrable in their dissimulation, cruel in their vengeance, tenacious in their purposes, unscrupulous as to their methods, animated by profound and *hidden* hatred for the tyranny of man—it is as though there exists among them an ever-present conspiracy toward domination, a sort of alliance like that subsisting among the priests of every country.”

—Denis Diderot (1713–1784)

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