Direct Search (Algorithm 178 [E4]) CACM November, 1969 Tomlin, F. K. Smith, L. B. function minimization, search direct search 5.19 CA691115 JB February 15, 1978 12:02 PM 1815 4 1815 1715 5 1815 1815 5 1815 1815 5 1815 1815 5 1815