FACTOID # 134: The total area of Australia’s coral reefs is greater than the total area of any of 130 individual countries, including Slovakia, the Dominican Republic, Kuwait, Singapore, and Rwanda.
 
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Encyclopedia > Concave
A concave set (it has a dent).
A concave set (it has a dent).

The word concave means curving in or hollowed inward. The term is most commonly used to refer to: Image File history File links Convex_polygon_illustration2. ... Image File history File links Convex_polygon_illustration2. ...

In addition, the term concave upwards is used for convex functions, and concave downwards for concave functions. A lens. ... In geometry, concavity is a property of certain geometric figures, and in calculus, a property of certain graphs of functions. ... In calculus, a differentiable function f is convex on an interval if its derivative function f ′ is increasing on that interval: a convex function has an increasing slope. ... In mathematics, an object is convex if for any pair of points within the object, any point on the straight line segment that joins them is also within the object. ... In mathematics, convex function is a real-valued function f defined on an interval (or on any convex subset C of some vector space), if for any two points x and y in its domain C and any t in [0,1], we have Convex function on an interval. ... In calculus, a differentiable function f is convex on an interval if its derivative function f ′ is increasing on that interval: a convex function has an increasing slope. ...


See also

  • Convex — the opposite of concave.
Look up Concave in
Wiktionary, the free dictionary.

Christian is dumb and gay. Look up convex in Wiktionary, the free dictionary. ... Image File history File links Disambig_gray. ... Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ...


  Results from FactBites:
 
Encyclopedia4U - Concavity - Encyclopedia Article (229 words)
Concavity is a geometric term which describes a curve.
In calculus, a graph is concave upward if the derivative, f '(x) (of the function, f(x) being graphed) is increasing upon an interval; a graph is concave downward if the derivative is decreasing.
The "bottom" of a concave downward slope will have a point known as the minimal extremum; the "apex" of a concave upward slope will have a point known as the maximal extremum.
Concavity - Wikipedia, the free encyclopedia (391 words)
In mathematical analysis, concavity is a property of certain geometric figures, and in calculus, a property of certain graphs of functions.
Equivalently, f(x) is concave on [a, b] iff the function −f(x) is convex on every subinterval of [a, b].
A concave polygon is often called re-entrant polygon (but in some cases the latter term has a different meaning).
  More results at FactBites »


 

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