基于问题的步骤

Problem-Based Optimization Workflow

Learn the problem-based steps for solving optimization problems.

Problem-Based Workflow for Solving Equations

Learn the problem-based steps for solving equations.

Optimization Expressions

Define expressions for both the objective and constraints.

Pass Extra Parameters in Problem-Based Approach

Pass extra parameters, data, or fixed variables in the problem-based approach.

Write Objective Function for Problem-Based Least Squares

Syntax rules for problem-based least squares.

Write Constraints for Problem-Based Cone Programming

Requirements for solve to use coneprog for problem solution.

Named Index for Optimization Variables

Create and work with named indices for variables.

Review or Modify Optimization Problems

Review or modify problem elements such as variables and constraints.

Examine Optimization Solution

Evaluate the solution and its quality.

设置选项

设置选项

设置优化选项

Output Function for Problem-Based Optimization

Use an output function in the problem-based approach to record iteration history and to make a custom plot.

基于问题的优化技巧

Create Efficient Optimization Problems

Obtain a faster or more accurate solution when the problem has integer constraints, and avoid loops when creating a problem.

Separate Optimization Model from Data

Create reusable, scalable problems by separating the model from the data.

变量名称不允许重复

两个同名优化变量问题的解决办法。

Create Initial Point for Optimization with Named Index Variables

Create initial points for solve when the problem has named index variables by using the findindex function.

Expression Contains Inf or NaN

Optimization expressions containing Inf or NaN cannot be displayed, and can cause unexpected results.

Objective and Constraints Having a Common Function in Serial or Parallel, Problem-Based

Save time when the objective and nonlinear constraint functions share common computations in the problem-based approach.

Effect of Automatic Differentiation in Problem-Based Optimization

Automatic differentiation lowers the number of function evaluations for solving a problem.

Supply Derivatives in Problem-Based Workflow

How to include derivative information in problem-based optimization when automatic derivatives do not apply.

Obtain Generated Function Details

Find the values of extra parameters in nonlinear functions created by prob2struct.

Output Function for Problem-Based Optimization

Use an output function in the problem-based approach to record iteration history and to make a custom plot.

并行计算

What Is Parallel Computing in Optimization Toolbox?

Use multiple processors for optimization.

Using Parallel Computing in Optimization Toolbox

Perform gradient estimation in parallel.

Minimizing an Expensive Optimization Problem Using Parallel Computing Toolbox™

Example showing the effectiveness of parallel computing in two solvers: fmincon and ga.

Improving Performance with Parallel Computing

Investigate factors for speeding optimizations.

基于问题的算法

基于问题的优化算法

优化函数和对象如何求解优化问题。

Automatic Differentiation Background

Learn how automatic differentiation works.

Supported Operations for Optimization Variables and Expressions

Explore the supported mathematical and indexing operations for optimization variables and expressions.