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!----------------------------------------------------------------------
!----------------------------------------------------------------------
! enz : A two-cell, one-substrate enzyme model
!----------------------------------------------------------------------
!----------------------------------------------------------------------
SUBROUTINE FUNC(NDIM,U,ICP,PAR,IJAC,F,DFDU,DFDP)
! ---------- ----
IMPLICIT NONE
INTEGER, INTENT(IN) :: NDIM, ICP(*), IJAC
DOUBLE PRECISION, INTENT(IN) :: U(NDIM), PAR(*)
DOUBLE PRECISION, INTENT(OUT) :: F(NDIM)
DOUBLE PRECISION, INTENT(INOUT) :: DFDU(NDIM,NDIM), DFDP(NDIM,*)
DOUBLE PRECISION R,s,s1,s2,s0,mu,rho,kappa
R(s)=s/(1+s+kappa*s**2)
s1=U(1)
s2=U(2)
s0=PAR(1)
mu=PAR(2)
rho=PAR(3)
kappa=PAR(4)
F(1)=(s0 -s1) + (s2-s1) - rho * R(s1)
F(2)=(s0+mu-s2) + (s1-s2) - rho * R(s2)
END SUBROUTINE FUNC
SUBROUTINE STPNT(NDIM,U,PAR,T)
! ---------- -----
IMPLICIT NONE
INTEGER, INTENT(IN) :: NDIM
DOUBLE PRECISION, INTENT(INOUT) :: U(NDIM),PAR(*)
DOUBLE PRECISION, INTENT(IN) :: T
PAR(1)=0
PAR(2)=0
PAR(3)=100
PAR(4)=1
U(1)=0
U(2)=0
END SUBROUTINE STPNT
SUBROUTINE BCND
END SUBROUTINE BCND
SUBROUTINE ICND
END SUBROUTINE ICND
SUBROUTINE FOPT
END SUBROUTINE FOPT
SUBROUTINE PVLS
END SUBROUTINE PVLS
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