pointed - ορισμός. Τι είναι το pointed
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Τι (ποιος) είναι pointed - ορισμός

SUBSET OF THE PLANE THAT LIES BETWEEN ANY THREE MUTUALLY TANGENT CONVEX SETS
Pseudo-triangle; Pseudotriangulation; Pseudo-triangulation; Pointed pseudotriangulation; Pointed pseudo-triangulation
  • A shelling sequence of a planar point set and the pointed pseudotriangulation derived from this sequence.
  • The pseudotriangle between three smooth convex sets (left), and a polygonal pseudotriangle (right).

Pointed      
·adj Sharp; having a sharp point; as, a pointed rock.
II. Pointed ·Impf & ·p.p. of Point.
III. Pointed ·adj Characterized by sharpness, directness, or pithiness of expression; terse; epigrammatic; especially, directed to a particular person or thing.
pointed      
¦ adjective
1. having a sharpened or tapered tip or end.
2. (of a remark or look) clearly directed and unambiguous in intent.
Derivatives
pointedly adverb
pointedness noun
pointed      
1.
Something that is pointed has a point at one end.
...a pointed roof.
...pointed shoes.
ADJ: usu ADJ n
2.
Pointed comments or behaviour express criticism in a clear and direct way.
I couldn't help but notice the pointed remarks slung in my direction...
ADJ: usu ADJ n
pointedly
They were pointedly absent from the news conference...
ADV: usu ADV with v, also ADV adj

Βικιπαίδεια

Pseudotriangle

In Euclidean plane geometry, a pseudotriangle (pseudo-triangle) is the simply connected subset of the plane that lies between any three mutually tangent convex sets. A pseudotriangulation (pseudo-triangulations) is a partition of a region of the plane into pseudotriangles, and a pointed pseudotriangulation is a pseudotriangulation in which at each vertex the incident edges span an angle of less than π.

Although the words "pseudotriangle" and "pseudotriangulation" have been used with various meanings in mathematics for much longer, the terms as used here were introduced in 1993 by Michel Pocchiola and Gert Vegter in connection with the computation of visibility relations and bitangents among convex obstacles in the plane. Pointed pseudotriangulations were first considered by Ileana Streinu (2000, 2005) as part of her solution to the carpenter's ruler problem, a proof that any simple polygonal path in the plane can be straightened out by a sequence of continuous motions. Pseudotriangulations have also been used for collision detection among moving objects and for dynamic graph drawing and shape morphing. Pointed pseudotriangulations arise in rigidity theory as examples of minimally rigid planar graphs, and in methods for placing guards in connection with the art gallery theorem. The shelling antimatroid of a planar point set gives rise to pointed pseudotriangulations, although not all pointed pseudotriangulations can arise in this way.

For a detailed survey of much of the material discussed here, see Rote, Santos, and Streinu (2008).

Παραδείγματα από το σώμα κειμένου για pointed
1. "He pointed a finger where it ought to have been pointed.
2. McCLELLAN:'4; No, the President has pointed to examples in the past, and we pointed to examples – Q:'4; Who?
3. McCLELLAN:В No, the President has pointed to examples in the past, and we pointed to examples - Q:В Who?
4. The Treasury pointed out that Turner‘s own projections pointed to a hefty increase in public spending by 2020.
5. Sentiment surveys pointed to a recent improvement.