cubic curve

cubic curve

[′kyü·bik ′kərv]
(mathematics)
A plane curve which has an equation of the form f (x, y) = 0, where f (x,y) is a polynomial of degree three in x and y.
References in periodicals archive ?
2] be a smooth cubic curve and let O [member of] E be an inflection point of E.
2] - 3ac > 0, two distinct turning points result--characterised by a local maximum and a local minimum--giving the classic S-shaped cubic curve.
The central theme of the doodle was the cubic curve for which the female mathematician was well-recognized.
The model was validated by considering the cubic curve fitting (normal Q-Q plot), the significance of [R.
Shape Classification of the Parametric Cubic Curve and Parametric B-spline Cubic Curve, Comput.
The capacity modifying quadratic or cubic curve as a function of mass flow fraction (CAPFF) is given by:
Hussain and Sarfraz (2008) starts with a positive rational cubic curve through 1D positive data and it also extends it to an economical positive rational bicubic for a 2D data arranged over a rectangular grid.
1993,1997) have considered cable as parabolic and cubic curve in shell and semiloof shell elements whereas Pandey et al.
The cubic curve looks a little more interesting, but the improvement in fit is statistically negligible (R-squared = 0.
w] for 50% growth reduction are even more confusing for highly salt-tolerant types that demonstrate a cubic curve, and includes ecotypes that show two equal growth maxima inflection points, such as total plant growth with maxima at E[C.
This paper tries to describe that string of events by virtue of a simple algebraic cubic curve, in the hope that it might be the starting point for deeper mathematical investigations by other authors.