semidefinite

As a noun terms

is .

As an adjective semidefinite is

(mathematics) describing a bilinear form, over a vector space, that is either always positive or always negative.

In mathematics|lang=en terms the difference between semidefinite and spectrahedron

is that semidefinite is (mathematics) describing a bilinear form, over a vector space, that is either always positive or always negative while spectrahedron is (mathematics) the intersection of the cone of positive semidefinite matrices with an affine-linear space.

As an adjective semidefinite

is (mathematics) describing a bilinear form, over a vector space, that is either always positive or always negative.

As a noun spectrahedron is

(mathematics) the intersection of the cone of positive semidefinite matrices with an affine-linear space.

In mathematics terms the difference between negative and semidefinite

is that negative is a negative quantity while semidefinite is describing a bilinear form, over a vector space, that is either always positive or always negative.

As adjectives the difference between negative and semidefinite

is that negative is not positive or neutral while semidefinite is describing a bilinear form, over a vector space, that is either always positive or always negative.

As a noun negative

is refusal or withholding of assents; veto, prohibition.

As a verb negative

is to veto.

As a noun positive

is .

As an adjective semidefinite is

(mathematics) describing a bilinear form, over a vector space, that is either always positive or always negative.