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D.2.7.10 triagmatrix

Procedure from library random.lib (see random_lib).

Usage:
triagmatrix(n,m,o[,u,pe,pp,b]); n,m,o,u,pe,pp,b integers

Return:
nxm lower triagonal matrix, diagonal entries equal to 1, about p percent of lower diagonal entries are 0, the remaining are random polynomials of degree d, u<=d<=o, with pp percent of the terms being 0, the remaining have random coefficients in the interval [1,b] [default: (pe,u,pp,b) = (0,50,75,100)]

Example:
 


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