global maximum
Noun
Meaning
global maximum (plural global maximums or global maxima)
(mathematics) An element in a function's domain where the function assumes its highest value.
x
↦
−
(
x
2
−
4
)
2
{\displaystyle x\mapsto -(x^{2}-4)^{2}}
has its global maxima at
−
2
{\displaystyle -2}
and
2
{\displaystyle 2}
.