10 - SPARSE UNCONSTRAINED OPTIMIZATION
---------------------------------------

      CALL EIUS10(N,M,X,IH,JH,FMIN,XMAX,NEXT,IEXT,IERR)


         N - NUMBER OF VARIABLES (INPUT)
         M - NUMBER OF ELEMENTS OF THE SPARSE MATRIX (INPUT)
         X(N) - VECTOR OF VARIABLES (OUTPUT)
         IH(N+1) - POINTERS OF THE DIAGONAL ELEMENTS OF THE HESSIAN MATRIX
                   (OUTPUT)
         JH(M) - INDICES OF THE NONZERO ELEMENTS OF THE HESSIAN MATRIX IN
                 THE PACKED FORM DESCRIBED IN MANUAL (OUTPUT)
         FMIN - LOWER BOUND OF OBJECTIVE FUNCTION (OUTPUT)
         XMAX - UPPER BOUND OF STEPSIZE (OUTPUT)
         NEXT - NO. OF PROBLEM (INPUT): THERE IS 15 PROBLEMS
                 (NEXT FROM 1 TO 15)
         IEXT - TYPE OF EXTREMUM (0-MINIMUM, 1-MAXIMUM)
         IERR - CONFLICT IN INPUT DATA IF IERR <> 0 (OUTPUT)


      CALL EFFU10(N,X,F,NEXT)

         N - NUMBER OF VARIABLES (INPUT)
         X(N) - ACTUAL VECTOR OF VARIABLES (INPUT)
         F - VALUE OF THE OBJECTIVE FUNCTION (OUTPUT)
         NEXT - NO. OF PROBLEM (INPUT)


      CALL EFGU10(N,X,G,NEXT)

         N - NUMBER OF VARIABLES (INPUT)
         X(N) - ACTUAL VECTOR OF VARIABLES (INPUT)
         G(N) - GRADIENT OF THE OBJECTIVE FUNCTION (OUTPUT)
         NEXT - NO. OF PROBLEM (INPUT)

      CALL EFHS10(N,M,X,H,NEXT)

         N - NUMBER OF VARIABLES (INPUT)
         M - NUMBER OF NONZERO ELEMENTS OF THE HESSIAN MATRIX (INPUT)
         X(N) - ACTUAL VECTOR OF VARIABLES (INPUT)
         H(M) - HESSIAN MATRIX OF THE OBJECTIVE FUNCTION (OUTPUT)
         NEXT - NO. OF PROBLEM (INPUT)

RECOMMENDED INPUT VALUE N=100
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