Direct Search

Pattern search solver for derivative-free optimization, constrained or unconstrained

Direct search is an efficient algorithm for solving smooth or nonsmooth optimization problems. Trypatternsearchfirst for most nonsmooth problems.

Functions

patternsearch Find minimum of function using pattern search

`optimoptions`	Create optimization options
`resetoptions`	重置选项

优化	优化或者solve equations in the Live Editor

使用PatternSearch，基于问题来优化非滑动功能
Basic example minimizing a nonsmooth function in the problem-based approach.
Constrained Minimization Using Pattern Search, Problem-Based
Usepatternsearchto minimize an objective function subject to bounds and nonlinear constraints.
Effects of Pattern Search Options, Problem-Based
在基于问题的方法中可视化和调整直接搜索。
搜索和民意调查, Problem-Based
Examples showing the utility of search in addition to poll methods in the problem-based approach.

优化Using the GPS Algorithm
Provides an example of solving an optimization problem using pattern search.
编码和最小化目标函数使用Pattern Search
Shows how to write an objective function including extra parameters or vectorization.
Constrained Minimization Using patternsearch and Optimize Live Editor Task
Example using linear constraints and nonlinear constraints inpatternsearch.
Constrained Minimization Using Pattern Search, Solver-Based
Use constraints in direct search.
Effects of Pattern Search Options
Visualize and tune direct search.
Set Options
Shows how to set and examine options forpatternsearch.
Optimization of Stochastic Objective Function
Pattern search can minimize a function even in the presence of noise.
搜索和民意调查
Examples showing the utility of search in addition to poll methods.

Polling Types
Examines the effects of polling options, including theUseCompletePoll选项。
Set Mesh Options
Examines the effect of different mesh expansion and contraction factors.
自定义绘图功能
Shows how to write and use a plot function forpatternsearch.
图案搜索攀登华盛顿山
Shows the stepspatternsearchtakes by using custom plot functions.
Optimization of Stochastic Objective Function
Pattern search can minimize a function even in the presence of noise.
Vectorize the Objective and Constraint Functions
How to gain speed using vectorized function evaluations.
优化an ODE in Parallel
Optimizing an objective given by the solution to an ODE usingpatternsearch或者ga在串行或平行中。

What Is Direct Search?
Introduces direct search and pattern search.
Pattern Search Terminology
Explains some basic pattern search terminology.
How Pattern Search Polling Works
Provides an overview of direct search algorithms.
搜索和投票
Describes how search methods work with polling steps.
Setting Solver Tolerances
停止条件及其相关选择。
Nonlinear Constraint Solver Algorithm
解释了增强的Lagrangian模式搜索（ALPS）。
Pattern Search Options
Explore the options for pattern search.