Block Tridiagonal Solver
 

I am looking for a subroutine to solve block tridiagonal system of equations.

please any one who has it or knows where to find this subroutine, kindly post it.

Re: Block Tridiagonal Solver
 

Dear Abdulhafid,

Try the book Numerical reecipes in C (or Fortran)

Hope this helps

Regards,

Ganesh

Re: Block Tridiagonal Solver
 

The source code for a block tridiagonal solver is included as an appendix in the CFD textbook by Anderson, Tannehill, and Pletcher.