copositive
English
Etymology
From
co-
+
positive
.
Adjective
copositive
(
not comparable
)
(
mathematics
)
Of a
real
matrix
A
: such that
x
T
A
x
≥
0
{\displaystyle x^{T}Ax\geq 0}
for every non-negative
vector
x
≥
0
{\displaystyle x\geq 0}
.