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Что (кто) такое extrapolation - определение
TYPE OF ESTIMATION WHERE A DATA POINT BEYOND THE ORIGINAL OBSERVATION RANGE IS GENERATED BASED ON ITS RELATIONSHIP WITH ANOTHER VARIABLE
Extrapolate; Extrapolation method; Extrapolation methods; Extrapolating; Linear extrapolation; Extrapolated; Extrapolations
Найдено результатов: 17
extrapolation
<mathematics, algorithm> A mathematical procedure which
estimates values of a function for certain desired inputs
given values for known inputs.
If the desired input is outside the range of the known values
this is called extrapolation, if it is inside then it is
called interpolation.
The method works by fitting a "curve" (i.e. a function) to two
or more given points and then applying this function to the
required input. Example uses are calculating {trigonometric
functions} from tables and audio waveform sythesis.
The simplest form of interpolation is where a function, f(x),
is estimated by drawing a straight line ("linear
interpolation") between the nearest given points on either
side of the required input value:
f(x) extrapolation f(x1) + (f(x2) - f(x1))(x-x1)/(x2 - x1)
There are many variations using more than two points or higher
degree polynomial functions. The technique can also be
extended to functions of more than one input.
(2007-06-29)
extrapolation
see extrapolate
Extrapolation
In mathematics, extrapolation is a type of estimation, beyond the original observation range, of the value of a variable on the basis of its relationship with another variable. It is similar to interpolation, which produces estimates between known observations, but extrapolation is subject to greater uncertainty and a higher risk of producing meaningless results.
extrapolate
v. (D; intr., tr.) to extrapolate from, on the basis of
extrapolate
[?k'strap?le?t, ?k-]
¦ verb
1. extend the application of (a method or conclusion) to different or larger groups.
2. extend (a graph) by inferring unknown values from trends in the known data.
Derivatives
extrapolation noun
extrapolative adjective
extrapolator noun
Origin
C19: from extra- + a shortened form of interpolate.
extrapolate
(extrapolates, extrapolating, extrapolated)
If you extrapolate from known facts, you use them as a basis for general statements about a situation or about what is likely to happen in the future. (FORMAL)
Extrapolating from his American findings, he reckons about 80% of these deaths might be attributed to smoking...
It is unhelpful to extrapolate general trends from one case.
VERB: V from n, V n from n
• extrapolation (extrapolations)
His estimate of half a million HIV positive cases was based on an extrapolation of the known incidence of the virus.
N-VAR
Extrapolation (journal)
JOURNAL
Extrapolation (magazine); Extrapolation: A Journal of Science Fiction and Fantasy; Extrapolation (Kent State University Press); Extrapolation: A Journal of Science Fiction & Fantasy
Extrapolation is an academic journal covering speculative fiction, established in 1959. It was the first journal in its field and is published by Liverpool University Press.
extrapolate
Extrapolation domain analysis
Extrapolation domain analysis (EDA) is a methodology for identifying geographical areas that seem suitable for adoption of innovative ecosystem management practices on the basis of sites exhibiting similarity in conditions such as climatic, land use and socioeconomic indicators. Whilst it has been applied to water research projects in nine pilot basins, the concept is generic and can be applied to any project where accelerating change being considered as a central development objective.
Minimum polynomial extrapolation
SEQUENCE TRANSFORMATION ALGORITHM USED FOR CONVERGENCE ACCELERATION OF VECTOR SEQUENCES
In mathematics, minimum polynomial extrapolation is a sequence transformation used for convergence acceleration of vector sequences, due to Cabay and Jackson.
Википедия
Extrapolation
In mathematics, extrapolation is a type of estimation, beyond the original observation range, of the value of a variable on the basis of its relationship with another variable. It is similar to interpolation, which produces estimates between known observations, but extrapolation is subject to greater uncertainty and a higher risk of producing meaningless results. Extrapolation may also mean extension of a method, assuming similar methods will be applicable. Extrapolation may also apply to human experience to project, extend, or expand known experience into an area not known or previously experienced so as to arrive at a (usually conjectural) knowledge of the unknown (e.g. a driver extrapolates road conditions beyond his sight while driving). The extrapolation method can be applied in the interior reconstruction problem.
