Module SNSQE in NMS

• NMS Information

• Components
  • Documentation from ITL
  • Fullsource from ITL
  • Sample from ITL
  • Source from ITL

SNSQE

 
Solves N nonlinear equations given in SUBROUTINE FCN(N,X,FVEC,IFLAG) to accuracy
TOL. If IOPT=2 then Jacobian subroutine JAC need not be supplied. Needs EXTERNAL
statement for user selected subroutine name. NMPINT=0 for simple use. Returns
solution in X(N), residuals in FVEC(N).
 
Classes  :  F2 . Solution of a system of nonlinear equations
 
Type     : Fortran software in NMS collection.
Access   : Public domain. Portable.
Precision: Single.
 
Usage    : CALL SNSQE(FCN,JAC,IOPT,N,X,FVEC,TOL,NPRINT,INFO,W,LW)
 
Details  : Documentation Fullsource Sample Source
Sites    : (1) ITL
 

Implementation of SNSQE from NMS on ITL

 
ITL:       Unix Workstation Network, National Institute of Standards and
           Technology (NIST), Gaithersburg, MD. Available to NIST staff.
 
Precision: Single. (Double: DNSQE)