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abscissa

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abscissa

the horizontal or x-coordinate of a point in a two-dimensional system of Cartesian coordinates. It is the distance from the y-axis measured parallel to the x-axis
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

abscissa

[ab′sis·ə]
(mathematics)
One of the coordinates of a two-dimensional coordinate system, usually the horizontal coordinate, denoted by x.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

abscissa

abscissa: P, any point; NP, abscissa
In the plane Cartesian coordinate system, the horizontal coordinate of a point on a plane; the x-coordinate, obtained by measuring the distance from the point to the y-axis along a line parallel to the x-axis.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

abscissa

(mathematics)
The horizontal or x coordinate on an (x, y) graph; the input of a function against which the output is plotted.

The vertical or y coordinate is the "ordinate".

See Cartesian coordinates.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
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References in periodicals archive
Caption: Figure 3--Relationship between the Coefficient of Variation (%) for the weight of the marketable cormels and plot size in Basic Units, to determine the abscissa value at the maximum curvature point ([X.sub.o]).
Estimation of optimum experimental plot size for taro culture/Estimativa de tamanho otimo de parcela experimental para a cultura do taro
The abscissa was calibrated in terms of actual distance.
Reflectometric System for Continuous and Automated Monitoring of Irrigation in Agriculture
(The abscissa axis shows the frequency in Hz and the ordinate axis shows V/(rad/sec)).
Study of Systems Error Compensation Methods Based on Molecular-Electronic Transducers of Motion Parameters
Similarly, in the log-log coordinate system, [p.sub.D] is calculated based on the definition of dimensionless pressure derivative [p'.sub.D]=[dp.sub.D]/d([t.sub.D][e.sup.2S]) A group of pressure derivative type curves (Figure 3) are drawn, with [t.sub.D][e.sup.2S] * [[p'.sub.D].sup.as] as ordinate against [t.sub.D][e.sup.2S] as abscissa and [b.sub.D][e.sup.-2S] as the curve parameter.
Solution and type curves for the seepage model of the water-bearing coalbed with leakage recharge/Curvas de solucion y tipo para el modelo de filtracion de capas carboniferas acuiferas con recarga de fugas
Assuming a spectrum band with a unique SPR peak, the FWHM quantity (green line) is given by the abscissas (x-coordinates) of the spectrum equivalent to half-height (HH), which is half the distance between the SPR maximum absorbance and P3.
NanoUV-VIS: An Interactive Visualization Tool for Monitoring the Evolution of Optical Properties of Nanoparticles Throughout Synthesis Reactions
We set abscissa c = 1, [C.sub.2] = -[10.sup.-5] as the error constant of the method and use relations (2.3) and (2.5) for satisfying order condition.
Construction of Nordsieck Second Derivative General Linear Methods with Inherent Quadratic Stability
The pitch angle will particularly exist throughout [-[pi], [pi]] once the abscissa [x.sup.+.sub.10] > 7113 m.
Vibroimpact Dynamics of a Tethered Satellite System
Taking the liquid volume flow rate and PE_H as the abscissa and the ordinate respectively, the piecewise linear interpolation model is established and denoted as PH model.
An algorithm of pressure drop prediction in vertical pipes based on test data
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