Hankel matrix
A square matrix in which each ascending skew-diagonal from left to right is constant / From Wikipedia, the free encyclopedia
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In linear algebra, a Hankel matrix (or catalecticant matrix), named after Hermann Hankel, is a square matrix in which each ascending skew-diagonal from left to right is constant. For example,
More generally, a Hankel matrix is any matrix
of the form
In terms of the components, if the element of
is denoted with
, and assuming
, then we have
for all