Improve Problem-Based Organization and Performance

Implement specialized tasks in problem-based setup

This category provides details of problem-based solutions and gives suggestions for more specialized tasks. For basic tasks and introductory workflows, see Get Started with Problem-Based Optimization and Equations.

The first section discusses ways to improve performance when creating or tuning a problem.
The second section shows how to improve performance when an objective or constraint contains for loops.
The third section gives tips for using the problem-based approach effectively.

Topics

Create Efficient Optimization Problems
Obtain a faster or more accurate solution when the problem has integer constraints, and avoid loops when creating a problem.
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.
Tune Solution for Analysis
Techniques for effective use of the analysis capabilities in the problem-based approach.
Supply Derivatives in Problem-Based Workflow
How to include derivative information in problem-based optimization when automatic derivatives do not apply.
Effect of Automatic Differentiation in Problem-Based Optimization
Automatic differentiation lowers the number of function evaluations for solving a problem.

Static Analysis of Optimization Expressions
Describes static analysis of optimization expressions, a part of the fcn2optimexpr algorithm.
Create for Loop for Static Analysis
How to create a for loop in separate function for static analysis.
Convert Constraints in for Loops for Static Analysis
How to create a for loop for constraints in separate function for static analysis.

Use Problem-Based Optimize Live Editor Task Effectively
How to use and understand the problem-based Optimize Live Editor task.
Separate Optimization Model from Data
Create reusable, scalable problems by separating the model from the data.
Named Index for Optimization Variables
Create and work with named indices for variables.
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.
Initialize Optimization Expressions
How initialize optimization expressions in functions, and how to recognize that you need to initialize them.
Integer Constraints in Nonlinear Problem-Based Optimization
Learn how the problem-based optimization functions prob2struct and solve handle integer constraints.
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.