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Additional
spectrahedron
English Wikipedia - The Free Encyclopedia
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Spectrahedron
In
convex geometry
, a
spectrahedron
is a shape that can be represented as a
linear matrix inequality
. Alternatively, the set of
positive semidefinite matrices
forms a
convex cone
in , and a spectrahedron is a shape that can be formed by intersecting this cone with a linear affine subspace.
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