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  2. Toeplitz matrix - Wikipedia

    en.wikipedia.org/wiki/Toeplitz_matrix

    An Toeplitz matrix may be defined as a matrix where , =, for constants , …,. The set of n × n {\displaystyle n\times n} Toeplitz matrices is a subspace of the vector space of n × n {\displaystyle n\times n} matrices (under matrix addition and scalar multiplication).

  3. Levinson recursion - Wikipedia

    en.wikipedia.org/wiki/Levinson_recursion

    Levinson recursion or Levinson–Durbin recursion is a procedure in linear algebra to recursively calculate the solution to an equation involving a Toeplitz matrix.The algorithm runs in Θ(n 2) time, which is a strong improvement over Gauss–Jordan elimination, which runs in Θ(n 3).

  4. Trigonometric moment problem - Wikipedia

    en.wikipedia.org/wiki/Trigonometric_moment_problem

    The above discussion shows that the trigonometric moment problem has infinitely many solutions if the Toeplitz matrix is invertible. In that case, the solutions to the problem are in bijective correspondence with minimal unitary extensions of the partial isometry V {\displaystyle V} .

  5. Wikipedia:Reference desk/Archives/Mathematics/2007 June 2

    en.wikipedia.org/wiki/Wikipedia:Reference_desk/...

    1.1 Block Toeplitz Matrix Inversion. 3 comments. 1.2 One-tailed or two-tailed test of significance. 10 comments. 1.3 Simple language. 12 comments. Toggle the table of ...

  6. Szegő limit theorems - Wikipedia

    en.wikipedia.org/wiki/Szegő_limit_theorems

    In mathematical analysis, the Szegő limit theorems describe the asymptotic behaviour of the determinants of large Toeplitz matrices. [ 1 ] [ 2 ] [ 3 ] They were first proved by Gábor Szegő . Notation

  7. Circulant matrix - Wikipedia

    en.wikipedia.org/wiki/Circulant_matrix

    An circulant matrix takes the form = [] or the transpose of this form (by choice of notation). If each is a square matrix, then the matrix is called a block-circulant matrix.. A circulant matrix is fully specified by one vector, , which appears as the first column (or row) of .

  8. Cauchy matrix - Wikipedia

    en.wikipedia.org/wiki/Cauchy_matrix

    In mathematics, a Cauchy matrix, named after Augustin-Louis Cauchy, is an m ... algorithm for the inversion of general Toeplitz matrices" (PDF). Computers ...

  9. Inscribed square problem - Wikipedia

    en.wikipedia.org/wiki/Inscribed_square_problem

    The inscribed square problem, also known as the square peg problem or the Toeplitz' conjecture, is an unsolved question in geometry: Does every plane simple closed curve contain all four vertices of some square? This is true if the curve is convex or piecewise smooth and in other special cases. The problem was proposed by Otto Toeplitz in 1911. [1]