... the time rate of change of the mole fraction of species i obeys a differential equation. ... Then RHS is system of nonlinear equations for the mole fractions Yi. ...
LU decomposition ... Incomplete Cholesky decomposition: popular preconditioner for positive definite ... Instead, use Singular Value Decomposition (SVD) ...
N.b. an optimising compiler will ignore all of the floating point code (as it ... HP Wildebeest (WDB) version of GDB which is included in new versions of HPUX. ...