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May 2019

Convex function
In mathematics, a real-valued function defined on an n-dimensional interval is called convex (or convex downward or concave upward) if the line segment
Logarithmically convex function
In mathematics, a function f is logarithmically convex or superconvex if log ∘ f {\displaystyle {\log }\circ f} , the composition of the logarithm with
Convex optimization
Convex optimization is a subfield of mathematical optimization that studies the problem of minimizing convex functions over convex sets. Whereas many classes
Proper convex function
mathematical analysis (in particular convex analysis) and optimization, a proper convex function is a convex function f taking values in the extended real
Closed convex function
the function f ( x ) {\displaystyle f(x)} is closed. This definition is valid for any function, but most used for convex functions. A proper convex function
Concave function
function is the negative of a convex function. A concave function is also synonymously called concave downwards, concave down, convex upwards, convex
Quasiconvex function
In mathematics, a quasiconvex function is a real-valued function defined on an interval or on a convex subset of a real vector space such that the inverse
Convex set
the function) is a convex set. Convex minimization is a subfield of optimization that studies the problem of minimizing convex functions over convex sets
produced a number of vector supercomputers Convex function, in mathematics Convex lens, in optics Convex polygon, a polygon in which no line segment
Piecewise linear function
piecewise linear functions and the convex piecewise linear functions. In general, for every n-dimensional continuous piecewise linear function f : R n → R