[edit] MINPACK on the ITS HPC Cluster

MINPACK is a library of FORTRAN routines for the solution of non-linear, multivariate minimization problems. The MINPACK package is a collection of 11 subroutines for

the solution of N nonlinear equations in N unknowns

     HYBRD1: 	Short calling list, approximate jacobian
     HYBRD: 	Long calling list, approximate jacobian
     HYBRJ1: 	Short calling list, user-supplied jacobian
     HYBRJ: 	Long calling list, user-supplied jacobian

the minimization of M nonlinear functions in N variables using regular storage

     LMDER1: 	Short calling list, user-supplied jacobian
     LMDER: 	Full calling list, user-supplied jacobian
     LMDIF1: 	Short calling list, approximate jacobian
     LMDIF: 	Full calling list, approximate jacobian

the minimization of M nonlinear functions in N variables and minimal storage

     LMSTR1: 	Short calling list, user-supplied jacobian
     LMSTR: 	Full calling list, user-supplied jacobian

checking a user-written jacobian function by comparing it to the results of a finite difference calculation

     CHKDER: 	Checks the gradients of M nonlinear functions in N variables.

To link your program with MINPACK when compiling use a command like

   f90 -o myprog -l minp myprog.f 

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