Contents.m

% GALLERY group.
%
%   binomial    Binomial matrix -- multiple of involutory matrix.
%   cauchy      Cauchy matrix.
%   chebspec    Chebyshev spectral differentiation matrix.
%   chebvand    Vandermonde-like matrix for the Chebyshev polynomials.
%   chow        Chow matrix -- a singular Toeplitz lower Hessenberg matrix.
%   circul      Circulant matrix.
%   clement     Clement matrix -- tridiagonal with zero diagonal entries.
%   compar      Comparison matrices.
%   condex      Counter-examples to matrix condition number estimators.
%   cycol       Matrix whose columns repeat cyclically.
%   dorr        Dorr matrix -- diagonally dominant, ill-conditioned, tridiagonal.
%               (One or three output arguments, sparse)
%   dramadah    Matrix of ones and zeroes whose inverse has large integer entries.
%   fiedler     Fiedler matrix -- symmetric.
%   forsythe    Forsythe matrix -- a perturbed Jordan block.
%   frank       Frank matrix -- ill-conditioned eigenvalues.
%   gcdmat      GCD matrix.
%   gearmat     Gear matrix.
%   grcar       Grcar matrix -- a Toeplitz matrix with sensitive eigenvalues.
%   hanowa      Matrix whose eigenvalues lie on a vertical line in the complex
%               plane.
%   house       Householder matrix. (Three output arguments)
%   integerdata Array of arbitrary data from uniform distribution on
%               specified range of integers
%   invhess     Inverse of an upper Hessenberg matrix.
%   invol       Involutory matrix.
%   ipjfact     Hankel matrix with factorial elements. (Two output arguments)
%   jordbloc    Jordan block matrix.
%   kahan       Kahan matrix -- upper trapezoidal.
%   kms         Kac-Murdock-Szego Toeplitz matrix.
%   krylov      Krylov matrix.
%   lauchli     Lauchli matrix -- rectangular.
%   lehmer      Lehmer matrix -- symmetric positive definite.
%   leslie      Leslie matrix.
%   lesp        Tridiagonal matrix with real, sensitive eigenvalues.
%   lotkin      Lotkin matrix.
%   minij       Symmetric positive definite matrix MIN(i,j).
%   moler       Moler matrix -- symmetric positive definite.
%   neumann     Singular matrix from the discrete Neumann problem (sparse).
%   normaldata  Array of arbitrary data from standard normal distribution
%   orthog      Orthogonal and nearly orthogonal matrices.
%   parter      Parter matrix -- a Toeplitz matrix with singular values near PI.
%   pei         Pei matrix.
%   poisson     Block tridiagonal matrix from Poisson's equation (sparse).
%   prolate     Prolate matrix -- symmetric, ill-conditioned Toeplitz matrix.
%   qmult       Pre-multiply matrix by random orthogonal matrix.
%   randcolu    Random matrix with normalized cols and specified singular values.
%   randcorr    Random correlation matrix with specified eigenvalues.
%   randhess    Random, orthogonal upper Hessenberg matrix.
%   randjorth   Random J-orthogonal (hyperbolic, pseudo-orthogonal) matrix.
%   rando       Random matrix with elements -1, 0 or 1.
%   randsvd     Random matrix with pre-assigned singular values and specified
%               bandwidth.
%   redheff     Matrix of 0s and 1s of Redheffer.
%   riemann     Matrix associated with the Riemann hypothesis.
%   ris         Ris matrix -- a symmetric Hankel matrix.
%   sampling    Nonsymmetric matrix with integer, ill conditioned eigenvalues.
%   smoke       Smoke matrix -- complex, with a "smoke ring" pseudospectrum.
%   toeppd      Symmetric positive definite Toeplitz matrix.
%   toeppen     Pentadiagonal Toeplitz matrix (sparse).
%   tridiag     Tridiagonal matrix (sparse).
%   triw        Upper triangular matrix discussed by Wilkinson and others.
%   uniformdata Array of arbitrary data from standard uniform distribution
%   wathen      Wathen matrix -- a finite element matrix (sparse, random entries).
%   wilk        Various specific matrices devised/discussed by Wilkinson.
%               (Two output arguments)