- mathematics, a
bisymmetric matrix is a
square matrix that is
symmetric about both of its main diagonals. More precisely, an n × n
matrix A is
bisymmetric if it...
-
triangular prism, and
elongated pentagonal pyramid. Two classes, the
bisymmetric and the
sphenoid hendecahedra, are space-filling. The name of hendecahedron...
- Asia.
Flowers have two tiny
sepals and four petals. The
flowers are
bisymmetric: the two
outer petals are
spurred or
pouched at the base and
curved outwards...
- medial, abelian, alternation, transposition, interchange, bi-commutative,
bisymmetric, surcommutative, entropic, etc. Any
commutative semigroup is a medial...
-
matrices A that
satisfy the
condition AJ = JA are
called bisymmetric matrices.
Bisymmetric matrices are both
centrosymmetric and persymmetric. Pauli...
- persymmetric.
Symmetric Toeplitz matrices are both
centrosymmetric and
bisymmetric.
Toeplitz matrices are also
closely connected with
Fourier series, because...
- [}a(b^{2}+c^{2}-a^{2}){\Bigr ]}\\[2pt]&=t^{3}f(a,b,c)\end{aligned}}} as well as
bisymmetric: f ( a , c , b ) = a ( c 2 + b 2 − a 2 ) = a ( b 2 + c 2 − a 2 ) = f...
-
matrices are
sometimes called bisymmetric matrices. When the
ground field is the real numbers, it has been
shown that
bisymmetric matrices are
precisely those...
- k} even or odd.
Symmetric circulant matrices belong to the
class of
bisymmetric matrices. The
complex version of the
circulant matrix,
ubiquitous in...
-
molecular clouds in
which new
stars form, and
evolution towards grand-design
bisymmetric spirals is explained. The
stars in
spirals are
distributed in thin disks...
