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SPARSEM: A subroutine package to operate with large sparse matrices. (English) Zbl 0854.65037
Summary: We present here a subroutine package to operate with sparse matrices stored in compact form. For each row (or column) of the matrix, just the non-null elements are stored. The package contains routines to add and multiply matrices, convert from and to normal format, etc., and is thought to be called by programs performing more complex works. We also present the results of some tests which measure the routines’ performance in comparison with standard procedures.
MSC:
65F50 Computational methods for sparse matrices
15-04 Software, source code, etc. for problems pertaining to linear algebra
65Y15 Packaged methods for numerical algorithms
Software:
POWEV; SPARSEM
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References:
[1] Sciutto, S.J., ()
[2] Sciutto, S.J., Comput. phys. commun., 77, 95, (1993), this issue
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