- 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
function value at any
convex combination of
elements in the
domain is
greater than or
equal to...
- 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...
- 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...
-
Wikimedia Commons has
media related to Tornadoes.
Wikimedia Commons has
media related to
Pictures of tornadoes. A
tornado is a
violently rotating column...
- {\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...
-
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...
- a
convex polygon is
sometimes called a
concave polygon, and some
sources more
generally use the term
concave set to mean a non-convex set, but most authorities...
- analysis, a non-negative
function f : Rn → R+ is
logarithmically concave (or log-
concave for short) if its
domain is a
convex set, and if it
satisfies the...
