- Look up
concave or
concavity in Wiktionary, the free dictionary.
Concave or
concavity may
refer to:
Concave lens
Concave mirror Concave function, the...
- In mathematics, a
concave function is one for
which the
value at any
convex combination of
elements in the
domain is
greater than or
equal to the convex...
- A
simple polygon that is not
convex is
called concave, non-convex or reentrant. A
concave polygon will
always have at
least one
reflex interior angle—that...
- Log-
concave may
refer to:
Logarithmically concave function Logarithmically concave measure Logarithmically concave sequence This
disambiguation page lists...
- lens with two
concave surfaces is
biconcave (or just
concave). If one of the
surfaces is flat, the lens is plano-convex or plano-
concave depending on the...
- been
called the "
concave"
Hollow Earth hypothesis or skycentrism.
Cyrus Teed, a
doctor from
upstate New York,
proposed such a
concave Hollow Earth in 1869...
-
Convex and
Concave is a
lithograph print by the
Dutch artist M. C. Escher,
first printed in
March 1955. It
depicts an
ornate architectural structure with...
-
reflecting surface. The
surface may be
either convex (bulging outward) or
concave (recessed inward). Most
curved mirrors have
surfaces that are
shaped like...
- ∪{\displaystyle \cup } (or a
straight line like a
linear function),
while a
concave function's
graph is
shaped like a cap ∩{\displaystyle \cap }. A twice-differentiable...
-
functions are used in the
study of majorization. A
function f is 'Schur-
concave' if its negative, −f, is Schur-convex.
Every function that is
convex and...