positive axis

positive axis

[′päz·əd·iv ′ak·səs]
(mathematics)
The segment of an axis arising from a cartesian coordinate system which is realized by positive values of the coordinate variables.
(meteorology)
In tropical synoptic analysis, a locus of maximum streamline curvature in an easterly wave; used primarily in the analysis of waves that span the equatorial trough (equatorial waves); a positive axis corresponds to a trough line in the Northern Hemisphere and a ridge line in the Southern Hemisphere.
References in periodicals archive ?
Groups with high values of relative abundance of vegetative phenophases in all species are located towards the lowest values of the positive axis while groups formed by presence and abundance of reproductive, fructification maturation and senescense phenophases are located on the highest values of the positive axis, except for Che DVI (Chenopodium development vegetative I ) The second DCA axis explains little of the variance since it was used in the detrend process.
On the positive axis of PCA 1, a contraction in the proximal region (points 2 and 17) of the femur in the individuals from the Pantanal and an expansion in the medial region (points 5, 6, 14, and 15) could be observed (Fig.
(i) For each i = 1, 2, there exists a semitrivial equilibrium point [E.sup.*.sub.i] on the positive axis [A.sub.i] if and only if [[phi].sub.i] (0,0) > 1.
The limiting cases are thus for r a point at the origin as r [right arrow] 0, and for [theta] a line along positive axis z as [theta] [right arrow] 0 and along negative axis z as [theta] [right arrow] [pi].
Biplots between PC 1 and PC 2 scores showed that the soils collected from S1 clustered to the negative axis of PC 1 throughout the three sampling periods; however, soils collected from S2 and S3 clustered to the positive axis of PC 1 on the first sampling period (Fig.
tigerina is situated in the positive axis but also extends slightly to the negative axis while the other two is almost uniformly distributed towards zero suggesting a much closer resemblance to the mean shape.
Dogru, Weighted approximation of continuous functions on the all positive axis by modified linear positive operators.
To have a physical picture of the motion of the zeros in the complex w plane, imagine that each time as s increases gradually and continuously by one, an additional real zero flies in from positive infinity along the real positive axis, gradually slowing down as if "it is flying through a viscous medium."
Let [f.sub.c](x) = [x.sup.c] for c > 2 on the positive axis. Then [f.sub.c] is a continuous convex function, but not 2-convex function by [4, Proposition 3.1].
The multivalent term' discipline' is examined by various contributors, giving due attention to both the nexus of control and punishment and to the essentially more positive axis of being a disciple.
Although the overall shape is axially symmetric about axis z and is roughly spherical, the centre of that sphere is displaced from the origin by about 2x[10.sup.-10] m along positive axis z; a nodal surface of zero amplitude, of paraboloidal shape, exists between a large positive lobe, extending mostly along positive axis z, and a small negative lobe, extending along negative axis z.
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