D2b: Real symmetric matrices


F07FAF   Computes the solution to a real symmetric positive-definite system of linear equations
F07FBF   Uses the Cholesky factorization to compute the solution, error-bound and condition estimate for a real symmetric positive-definite system of linear equations
F07GAF   Computes the solution to a real symmetric positive-definite system of linear equations (stored in packed format)
F07GBF   Uses the Cholesky factorization to compute the solution, error-bound and condition estimate for a real symmetric positive-definite system of linear equations (stored in packed format)

D2b1:   General  (40 routines)
D2b2:   Positive-definite banded  (14 routines)
D2b4:   Sparse  (13 routines)

NAG Fortran Library
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© The Numerical Algorithms Group Ltd, Oxford UK. 2004