Definition: curving outward
Definition: curving outward
Sentences Containing 'convex'
Lenses are very similar to prisms; indeed, two prisms placed as in Figure 69, and rounded off, would make a very good convex lens.
The distance of the principal focus from the lens is called the focal length of the lens, and from the diagrams we see that the more convex the lens, the shorter the focal length.
Suppose we place an arrow, A, in front of a convex lens -LRB- Fig.
Let a convex lens be placed near a candle -LRB- Fig.
Farsightedness can be remedied by convex glasses, since they bend the light and bring it to a closer focus.
Convex glasses, by bending the rays and bringing them to a nearer focus, overbalance a short eyeball with its tendency to focus objects behind the retina.
Supposing there is a convex curve on the one side, you will often have a concave form on the other.
-LRB- -RRB- The knife, which is shaped like a crescent, that cuts with the convex side, falls from a less height, and that is all the difference.
This august hump, if I mistake not, rises over one of the larger vertebrae, and is, therefore, in some sort, the outer convex mould of it.
In geometry, the trapezo-rhombic dodecahedron is a convex polyhedron with 6 rhombic and 6 trapezoidal faces.
The compiler was based on the Convex Fortran (and C) compiler.
The mine's cases are made from moulded plastic have convex faces.
Symbols and inscriptions are embossed, with convex letters.
Diorugoceras is very involute and smooth, with a compressed whorl section with broad, slightly convex flanks that converge toward a concave venter.
The latter architect solved the problem of the disparate registers of the collegio and the adjacent church, with a convex facade.
The mine consists of a convex rectangular plastic main body, supported by two pairs of scissor type legs.
In the next interstice they are concave and at last convex towards the basal liration.
The body whorl is rounded, with a strong peripheral keel, being the basal one of the upper whorls, and a convex base.
From medieval art, the head of the destrier appears to have had a straight or slightly convex profile, strong, wide jaw, and good width between the eyes.
The cap is across, shape ranging from convex to flat.
Solving the unconstrained problem is equivalent to finding a point on the convex hull of the family of solutions to an equivalent constrained formulation of the problem.
In common with many fells the western slopes are smooth and convex while the eastern side exhibits crags.
The cap is 3–9 cm in diameter, convex to flat in shape, with a sticky, gelatinous surface (in moist conditions).
The fin was almost triangular, with a slightly convex leading edge; it carried a pointed rudder on a vertical hinge extending to the bottom of the fuselage.
Tree islands form on convex topography, which tends to gather less snow and shed it sooner than surrounding level or concave topography.
The yellowish-white, perforate, conical shell has slightly convex sides, The six whorls are slightly convex.
The support function is a convex function on formula_1.
Any non-empty closed convex set "A" is uniquely determined by "h""A".
Due to these properties, the support function is one of the most central basic concepts in convex geometry.
As any nonempty closed convex set is the intersection of its supporting half spaces, the function "h""A" determines "A" uniquely.
This can be used to describe certain geometric properties of convex sets analytically.
Hence "h""A" is differentable at all points "u" ≠ "0" if and only if "A" is "strictly convex" (the boundary of "A" does not contain any line segments).
Like the N9, it has a convex-curved Gorilla Glass AMOLED PenTile screen with a ClearBlack antiglare filter.
The Phragmen–Lindelöf theorem implies that μ is a convex function.
The forewing outer margin is also similar to that of "Xylophanes dolius" but more convex, and more excavate below the apex, making the apex conspicuously falcate.
As they move to the inside they are being pushed outward, following a convex line.
The fruit body has a cap that is initially convex before flattening out in age, reaching a diameter of . The cap may have a shallow umbo.
"Conus scalptus" is a small (15-30 mm) medium weight, ovate shell with convex sides.
The Sakhalin sole is elongate to oval in shape, with a small mouth and a convex space between the eyes.
Let "f"("N") denote the minimum "M" for which any set of "M" points in general position must contain a convex "N"-gon.
The original solution to the Happy Ending problem can be adapted to show that any five points in general position have an empty convex quadrilateral, as shown in the illustration, and any ten points in general position have an empty convex pentagon.
At least 30 points are needed: there exists a set of 29 points in general position with no empty convex hexagon.
The color is a bright tawny orange, darker towards the base of the columella. The shell has 5½ slightly convex whorls.
By alternating concave and convex surfaces, he made “light shapes” which were close to constructivist poetics.
As the material stretches, it forms a convex surface over the anvil wheel.
In recent years attention has turned towards convex and coherent risk measurement.
The large, convex body whorl contains 17 radial riblets.
It is rounded at the periphery, but convex at the base.
The dorsal and ventral profiles are straight except for a convex head.
The body whorl is elongated, rounded in the middle, appressed below the suture, convex beneath.