Potential difference (6264 bytes)
1: ...'''potential difference''' is the difference in [[potential]] between two points in a [[Conservation_law|cons...
5: ... the initial and final points of an electrostatic potential.
9: ... is equal to the difference in their [[electrical potential]]s.
11: ...system of units, potential difference, electrical potential and electromotive force are measured in [[volt]]s...
13: The potential difference between two points a and b is the [[line integral...

Transmembrane potential difference (2868 bytes)
1: ...nce]] is the [[electricity|electrical]] potential difference across a [[plasma membrane]].
3: ...otential is a gradient of transmembrane potential difference.
5: == The Ionic Basis of the Membrane Potential ==
7: ...V relative to the surrounding fluid. The membrane potential is negative because usually cells have a net nega...
9: ...s these combined actions that create the membrane potential.

Resting transmembrane potential difference (675 bytes)
1: ...these same ions back across the membrane. Resting potential of cells is typically in the range of 50 to 80 [[...
4: * [[Cardiac action potential]]

Difference (464 bytes)
1: * '''Difference''' in arithmetic: see [[Subtraction]]
2: * '''Difference''' in computing: see [[Delta compression]]
3: * '''Difference''' on a coat of arms: see [[Heraldry]]
4: * '''Difference''' as a state of being unlike others: see
6: * The set theoretic difference or [[complement (set theory)|complement]]

Split the Difference (1956 bytes)
1: '''Split the Difference''' is the 2004 album by UK band [[Gomez]].
5: ... the studio became their fourth album ''Split the Difference'' released in May 2004.
33: ...0588&sql=Awyf4zfi3eh2k/ All Music Guide Split the Difference]

A World of Difference (391 bytes)
2: '''''A World of Difference''''' is an episode of the [[television series]] '...
12: [[Category:The Twilight Zone|World of Difference]]

Just noticeable difference (2181 bytes)
1: ...'jnd''', using lowercase letters) is the smallest difference in a sensory input that is perceivable by a human...
7: ...elta;''I'' is the addition to it required for the difference to be perceived (the jnd), and ''k'' is a constan...
9: ...e the threshold. The jnd usually reported is the difference that a person notices on 50% of trials. If a dif...

Difference tone (1058 bytes)
1: ...ion perceive the tone whose frequency is a sum or difference of the two frequencies.
7: ...ultiples of the two frequencies. In particular, a difference tone of 2''f''₁ &minus; ''f''<sub>2</s...
10: ...SPCG/Tutorial/Tutorial/Tutorial_files/Web-hearing-difference.htm Hearing Sounds]

Phase difference (1317 bytes)
1: ...e said to be ''in phase'', i.e. there is no phase difference between them.
3: ...f phase'' by some amount, i.e. there is some time difference between the two signals.
5: ...if added together will sum to zero. If the phase difference is 90 degrees then the signals are said to be ''i...

The Difference Engine (2557 bytes)
1: '''''The Difference Engine''''' is an [[alternative history (fiction)...
3: ...[[analytical engine]] rather than the eponymous [[difference engine]]). Following this success, these massive...
10: * [http://www.sff.net/people/gunn/dd/ The Difference Dictionary]
19: [[Category:1990 books|Difference Engine]]
20: [[Category:Alternate history|Difference Engine]]

Difference operator (1790 bytes)
1: In [[mathematics]], a '''difference operator''' maps a [[function (mathematics)|funct...
3: The '''forward difference operator'''
5: ...ation]]s. Analogously we can have the '''backward difference operator'''
9: ...ed to [[polynomial]] functions ''f'', the forward difference operator is a [[delta operator]], i.e., a shift-e...

Difference feminism (1129 bytes)
1: ...al ''biological'' difference, or an ''emotional'' difference, or both.
3: ...ed [[second-wave feminism|second wave feminism]]. Difference feminism was important in responding to problems ...

Symmetric difference (3252 bytes)
3: In [[mathematics]], the '''symmetric difference''' of two [[set]]s is the set of elements which a...
5: The symmetric difference of the sets ''A'' and ''B'' is commonly denoted b...
7: ... sets {1,2,3} and {3,4} is {1,2,4}. The symmetric difference of the set of all students and the set of all fem...
9: The symmetic difference is equivalent to the [[union (set theory)|union]]...
21: The symmetric difference is [[commutativity|commutative]] and [[associativ...

Difference of two squares (726 bytes)
1: In [[mathematics]], the '''difference of two squares''' refers to the [[identity]]

Difference engine (4975 bytes)
1: :''For the novel by William Gibson, see [[The Difference Engine]]''
3: A '''difference engine''' is a historical, now obsolete, mechanic...
5: ...ifferenceEngine.jpg|thumb|right|Part of Babbage's Difference engine, assembled after his death by Babbage's so...
9: ...engine plans, [[Per Georg Scheutz]] built several difference engines from [[1855]] onwards; one was sold to th...
11: ...e was also completed. Both worked flawlessly. The difference engine and printer were constructed to tolerances...

Difference Triangles (4979 bytes)
1: Exploring Difference Triangles, the X-gon, and Pascal’s Triangle
5: can be obtained by using difference triangles.
7: ...triangle where the base and first number of every difference is 1.
11: Use X as a set of numbers in a set n of differences,
15: The sum of the X-th number in the n-th difference and

Goal difference (290 bytes)
1: ...]] such as [[ice hockey]] and [[soccer]], '''goal difference''' (that is, [[goal (sport)|goals]] scored less g...

Finite difference (1175 bytes)
1: ...nalogue to [[differential calculus]]. See also [[difference operator]].
3: ...e differential operators such as ''u'(x)'' by a [[difference operator]] such as ''(u(x+h)-u(x))/h'' for some s...
5: ... term "truncation error" reflects the fact that a difference operator can be viewed as a finite part of the in...

Temporal difference learning (2670 bytes)
1: ...D learning algorithm is related to the [[Temporal difference model]] of animal learning.
10: ...1] Learning to predict by the methods of temporal differences. Machine Learning 3:9-44 (A revised version is a...

Temporal difference model (1226 bytes)
1: The '''temporal difference model''' is a [[real time]] classical [[condition...
19: Thus, the reinforcement is the difference between the ideal prediction and the current pred...
22: ...to the [[Sutton-Barto model]] yields the temporal difference model:

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