generate special matrices, such as Hilbert, Franck
[y]=testmatrix(name,n)
:name a character string : :n integers, matrix size : :y n x n matrix :
Creates some particular matrices.
:testmatrix(‘magi’,n) returns a magic square of size n x n. : :testmatrix(‘frk’,n) returns the Franck matrix. : :testmatrix(‘hilb’,n) is the inverse of the n x n Hilbert matrix
(Hij= 1/(i+j-1)).
: