# spline

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## spline

[splīn]
(design engineering)
One of a number of equally spaced keys cut integral with a shaft, or similarly, keyways in a hubbed part; the mated pair permits the transmission of rotation or translatory motion along the axis of the shaft.
(engineering)
A strip of wood, metal, or plastic.
(graphic arts)
A flexible strip used in drawing curves.
(mathematics)
A function used to approximate a specified function on an interval, consisting of pieces which are defined uniquely on a set of subintervals, usually as polynomials or some other simple form, and which match up with each other and the prescribed function at the end points of the subintervals with a sufficiently high degree of accuracy.

## Spline

A thin flat piece of wood used between two pieces of heavy subflooring, taking the place of a tongue-and-groove joint; also used as a means of stiffening a miter joint.

## spline, false tongue, feather, slip feather, slip tongue

spline, 2
spline, 1
1. A long thin strip of wood or metal which is inserted in a slot formed by two members, each of which is grooved and butted against the other.
2. In a suspended acoustical ceiling, a strip of metal or hard fiber inserted in the slot between adjacent acoustical tiles which butt against each other, forming a concealed mechanical joint.

## spline

In computer graphics, a smooth curve that runs through a series of given points. The term is often used to refer to any curve, because long before computers, a spline was a flat, pliable strip of wood or metal that was bent into a desired shape for drawing curves on paper. See Bezier and B-spline.
References in periodicals archive ?
As we mentioned above, in this paper, we follow an indirect approach to compute the fitting spline curve to the data points.
Obviously, all of the interpolation spline curves have the properties of monotonicity-preserving and they are all [C.sup.1] continuous.
The plots of PLTR through each of the subperiods 1-3 were interpolated with the loess function, and finally, these three spline curves were joined by the same interpolation as before to generate a single spline curve.
When the frequency analysis range is optimized by the spline curve, the same number of filters is allocated within a smaller frequency range.
Arc-length parameterized spline curves for real-time simulation.
One is prediction guidance, which constrains the current and terminal state through spline curve in each guidance period.
Moreover, the representation of the antenna geometry by means of spline curves provides two main advantages.
Choosing a second plane spline curve [[gamma].sub.i] = [Z.sub.i](y) perpendicular on the plane of [c.sub.i] = [Z.sub.i](x) and having common loops so that the arc of curve projections [s.sub.i](y), which belong to the curve [[gamma].sub.i], on the plane z = 0 (level plan) must be also equidistant from the length [h.sub.y], a rectangular spatial equidistant network with common nodes can be formed, respectively a spline bicubic surface (Fig.
In order to reduce the stress level, the knuckle region is of variable thickness can be obtained in spline curve method and tangent method.
Watanabe, "CLS Data Interpolation with Spline Curves and Its Post Processing for Generating a Robot Language," in Proceedings of the International Conference on Industrial Application Engineering 2017, pp.
Section 4 discusses the approximation of the introduced spline curve with numerical examples.
(1999) considered the cable as cubic spline curve in nine node Lagrangean element.

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