# personal equation

## Definitions

• THE PERSONAL EQUATION
• WordNet 3.6
• n personal equation variability attributable to individual differences
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Webster's Revised Unabridged Dictionary
• Personal equation (Astron) See under Equation.
• Personal equation (Astron) the difference between an observed result and the true qualities or peculiarities in the observer; particularly the difference, in an average of a large number of observation, between the instant when an observer notes a phenomenon, as the transit of a star, and the assumed instant of its actual occurrence; or, relatively, the difference between these instants as noted by two observers. It is usually only a fraction of a second; -- sometimes applied loosely to differences of judgment or method occasioned by temperamental qualities of individuals.
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Chambers's Twentieth Century Dictionary
• Personal equation any error common to all the observations of some one person, any tendency to error or prejudice due to the personal characteristics of some person for which allowance must be made
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## Etymology

Chambers's Twentieth Century Dictionary
L. æqualisæquāre, to make equal—æquus, equal.

## Usage

### In literature:

Whatever personal equation may be involved in saying this, the point of view has some objective justification.
"The Psychology of Nations" by G.E. Partridge
Above and beyond all these considerations, the personal equation comes in, sometimes very powerfully.
"The Building of a Book" by Various
There is a large personal equation operative in this direction.
"The Better Germany in War Time" by Harold Picton
It is a personal equation.
"The Eugenic Marriage, Vol. 3 (of 4)" by W. Grant Hague
There is an abiding necessity to equate the personal problem to the whole philosophy within which a command operates.
"The Armed Forces Officer" by U. S. Department of Defense
He saw the world always in the personal equation.
"The Kingdom Round the Corner" by Coningsby Dawson
In astronomy, for example, we find the value of the 'Personal Equation.
"The Romance of Mathematics" by P. Hampson
Our one object of universal reverence and respect was the personal equation.
"The Message" by Alec John Dawson
The personal equation evidently enters into the matter.
"The Home Medical Library, Volume I (of VI)" by Various
In politics it is necessary to consider the personal equation.
"A Modern Mercenary" by Kate Prichard and Hesketh Vernon Hesketh-Prichard
To Thayer the summer had been a matter of personal mathematics, the solving of simultaneous personal equations.
"The Dominant Strain" by Anna Chapin Ray
It helps us to make allowances for the inevitable angle of nationality, the equally inevitable personal equation.
"The American Mind" by Bliss Perry
As a rule, however, the personal equation should be considered.
"News Writing" by M. Lyle Spencer
The source of error in human logic is what the philosophers call the 'personal equation.
"Stories by American Authors, Volume 10" by Various
It was the personal equation as supplied by her that made the thing impossible.
"The Crime Doctor" by Ernest William Hornung
A person south of the equator would not see the pole-star at all.
"Oregon and Eldorado" by Thomas Bulfinch
The personal equation is apt to be decisive in South America.
"Prowling about Panama" by George A. Miller
The personal equation was everything.
"The Wanderings of a Spiritualist" by Arthur Conan Doyle
Arguments based chiefly on style overlook the large personal equation in all writing.
"The Greatest English Classic" by Cleland Boyd McAfee
The personal equation of the Salesman plays an important part in dealing with these people.
"The Psychology of Salesmanship" by William Walker Atkinson
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### In news:

Anecdotes and personal stories abound supporting a new study's findings: traditional college credit hours represent seat time, and that doesn't always equate with learning.
The observer's personal equation .
Not quitting, and sticking with something gives a person self-confidence, which in turn, equates into optimism .
A team of scientists has created a mathematical equation to track texting patterns that can detect when a person is texting while driving.
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### In science:

Erland Samuel Bring (1786), was the ﬁrst person to perform a Tschirnhausian Transformation to a quintic equation, successfully.
On the Complete Solution to the Most General Fifth Degree Polynomial
Can such a simple equation foresee the reaction of a human being? On the other side, if a person can calculate or estimate the outcome of Eq. (13), then he/she can just do the opposite, and the network completely fails to predict.
Predicting and generating time series by neural networks: An investigation using statistical physics
For example, one might have k ∼ j if person k solves problem j correctly; the α’s would then relate to the ability of the person, and the β ’s to the type of problem. A simpliﬁed Rasch model of the form pkj = αk βj can be viewed as a special case of an exponential random graph model, see Equation (1) in .
The shortest distance in random multi-type intersection graphs
As he charmingly puts it in Drake (2003) on deciding who to invite, “I invited every person in the world we knew of who was interested in working in this sub ject − all twelve of them.” He goes on to discuss the “Drake Equation,” of which more later.
Astrophysics in 2006
This equation expresses the gravitational noise in terms of sharp changes in the person’s CofM momentum and the momentum density of the ground.
Human Gravity-Gradient Noise in Interferometric Gravitational-Wave Detectors
Equation (A5), together with the explicit expressions for the Green’s functions in Refs. [14,16,17], could be used to compute quantitatively the partial cancellation of person noise and ﬂoor & ground noise.
Human Gravity-Gradient Noise in Interferometric Gravitational-Wave Detectors
Most other equations one might like to study in linear algebra are not statable as the vanishing of a moment map. I personally take this framework as a guide to some of those linear algebra problems which are likely to have nice solutions.
The symplectic and algebraic geometry of Horn's problem
Lett, to appear, 2005 [KeNa] Kenig, C.E and Nahmod, A., Personal communication, 2005 [KePoVe2] Kenig, C.E., Ponce, G. and Vega, L, Smoothing effects and local existence theory for the generalized nonlinear Schr¨odinger equations, Invent.
On Schr\"odinger Maps
Indeed, Bob and Alice can publish respectively the equation and the solution in two protected and separated personal servers.
New variant of ElGamal signature scheme
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