Module OPTIF0 in CMLIBSolves the unconstrained minimization problem: minimize the real-valued function f of n variables, where f is assumed to be twice continuously differentiable. Easy to use version of OPTIF9. User has no control of options.
CALL OPTIF0(NR, N, X, FCN, XPLS, FPLS, GPLS, ITRMCD, A, WRK)| G1b1a | Unconstrained optimization of a smooth multivariate function, user provides no derivatives |