# Interpolation

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## Interpolation

A method of approximating a price or yield that is unknown by using numbers that are known.

## Interpolation

An estimate of an unknown variable using known variables that are somehow related to the unknown variable.
References in periodicals archive ?
As shown in Fig.2, the proposed algorithm consists of two parts: the first part is to construct a candidate motion vector set of the interpolated block, and the second part is to utilize the multiple motion vectors from the candidate motion vector set to jointly interpolate the target block.
Rasterize Point Data function is usefull to interpolate irregularly gridded data into a raster image.
I prefer to point to the work envelope of the machine tool and say, "That thing that you call CNC directs the cutting tool to interpolate a path."
Nevertheless, any three-dimensional space F [subset] [C.sup.[infinity]] ([R.sub.2]) does not interpolate [[delta].sub.u], [[delta].sub.v], and [[delta].sub.u] [omicron] [partial derivative]/[partial derivative]x for arbitrary distinct u and v.
It is often necessary to interpolate the spectral data to a finer grid to avoid errors arising from the discrete approximation used to estimate the integral where the weighting function varies strongly between the wavelengths at which the measurements were made (1).
"Since they all have this raftlike shape, we interpolate that the nucleus is also raftlike," says Vekilov.
Without access to curve data, engineers are forced to guess at a value to be inserted into the equation; with curve data, engineers can either select data measured at the test conditions or interpolate or extrapolate to reach an approximate value at the desired conditions -- a value that will likely be far more accurate than the guesstimate traditionally used.
* Interpolate scatter survey data onto a regular grid
Thanks to a flexible user interface, designers have the ability to search for and present resin information graphically--as in shear-rate/viscosity curves--or through customized "engineering spreadsheets." During the creation of "materials models," the system even lets users extrapolate and interpolate from the graphs to fill in any gaps in existing information.
The filter includes four modes of operation, decimate or interpolate x 2 halfband filtering; digital down-conversion by [f.sub.s]/4 followed by a decimate x 2 halfband filtering; and interpolate x 2 quadrature filtering of a complex input followed by [f.sub.s]/4 upconversion with real output.
As an example, Congress suggested that taxpayers using the dollar-value LIFO method of accounting might be allowed to interpolate from an available inflation index for a previous period in calculating the cost of goods sold in a period of less than a full taxable year in the absence of a reliable inflation index.
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