Calvin <ee_fhw at stu.ust.hk> writes: > I need some backgound in Numeric Analysis to solve the PDE. so, hard > to answer your question Unless my memory of LAPACK is broken, LAPACK doesn't solve them. It (and BLAS) contains lots of useful routines you can use in a solver, though -- Trond Eivind Glomsrød Red Hat, Inc.