Issue No. 04 - April (1972 vol. 21)
J. P. Lawrence , Part-time student in the Department of Electrical Engineering, University of Maryland, College Park, Md.
Kenneth Steiglitz , Department of Electrical Engineering, Princeton University, Princeton, N. J.
A random search technique for function minimization is proposed that incorporates the step-size and direction adaptivity of Hooke and Jeeves'  pattern search. Experimental results for a variety of functions indicate that the random pattern search is more effective than the corresponding deterministic method for a class of problems with hard constraints.
K. Steiglitz and J. P. Lawrence, "Randomized Pattern Search," in IEEE Transactions on Computers, vol. 21, no. , pp. 382-385, 1972.