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# Algorithm 704: ABDPACK and ABBPACK-FORTRAN programs for the solution of almost block diagonal linear systems arising in spline collocation at Gaussian points with monomial basis functions

@article{Majaess1992Algorithm7A, title={Algorithm 704: ABDPACK and ABBPACK-FORTRAN programs for the solution of almost block diagonal linear systems arising in spline collocation at Gaussian points with monomial basis functions}, author={F Majaess and Patrick Keast and Graeme Fairweather and Karin Remington Bennett}, journal={ACM Trans. Math. Softw.}, year={1992}, volume={18}, pages={205-210} }

- Published 1992 in ACM Trans. Math. Softw.
DOI:10.1145/146847.146927

ABDPACK is a package of FORTRAN programs for the solution of systems of linear equations with the almost block diagonal structure arising in spline collocation at Gaussian points with monomial spline basis functions, when applied to two-point boundary value problems with separated boundary conditions. The package ABBPACK is designed to handle a subclass of such linear systems which have what may be called an almost block bidiagonal structure. Such systems result, for example, when condensation… CONTINUE READING