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Periodic block tridiagonal solver
Hi, thank you for your response. I checked the NR but as far as I can see there is no direct subroutine to use. Unfortunately. I am very surprised that even in blas,linpack,fishpack I could not find it. Fishpack calls it block tridiagonal but it is in fact laplace equation. I am very... -
Periodic block tridiagonal solver
Hello, I am looking for a periodic block tridiagonal solver, preferably in fortran90. Could somebody please point me a free source? I have downloaded many software packages but they do not fit my purpose. It is a real (not complex) variable solver, block are 2x2 and periodic. Many thanks...
