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MATRAN: Random Sparse Matrix

from the NEP Collection

Matrix Generator MATRAN
Source: Z. Bai and D. Day, University of Kentucky, and J. Demmel, University of California, Berkeley, and J. Dongarra, University of Tennessee and Oak Ridge National Laboratory
Discipline: Numerical linear algebra
Language: Fortran
Output format: compressed column

The subroutine MATRAN generates sparse matrices whose nonzero entries are uniformly distributed on (-1,1). The LAPACK random number generater DLARAN is used to generate random numbers.

Parameters:

Norder of the matrix
NZRnumber of nonzero entries per column
ISEEDrandsom number generator seed

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Last change in this page: Wed Sep 22 13:37:29 US/Eastern 2004 [Comments: ]