If you are using the Approximation Loop strategy, you can select an optimization technique and set the technique's options.
Configuring the Downhill Simplex Technique Configuring the Hooke-Jeeves Technique Configuring the Large Scale Generalized Reduced Gradient (LSGRG) Technique Configuring the Mixed-Integer Sequential Quadratic Programming (MISQP) Technique Configuring the Modified Method of Feasible Directions (MMFD) Technique Configuring the Multifunction Optimization System Tool (MOST) Technique Configuring the Sequential Quadratic Programming (NLPQL) Technique