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Configure Simulation Conditions

Select solver, set initial conditions, pick input data set, select variants, set step size

For simulation of continuous, discrete, and mixed-signal systems, you can choose from a range of fixed-step and variable-step solvers. Solvers are integration algorithms that compute system dynamics over time.

If you don't know which solver you need, try auto solver. Auto solver chooses an optimal solver for your model and sets the maximum step size of the simulation.

You can also save a specific set of simulation options as a configuration set. After saving a configuration set, you can reuse those options with a different model, or easily switch between configuration sets. See Manage a Configuration Set.

Functions

openDialog Open configuration parameters dialog
closeDialog Close configuration parameters dialog

Simulink Configuration Parameters

Examples and How To

Use Auto Solver to Select a Solver

When you want Simulink® to select a solver for simulating the model, use auto solver.

Specify Simulation Start and Stop Time

How to specify the start and stop time for a simulation.

Load State Information

Load saved state information.

Examine Model Dynamics Using Solver Profiler

Identify factors affecting model simulation using the Solver Profiler.

Understand Profiling Results

Learn how to parse the recommendations of the Solver Profiler.

Introduction to Variant Controls

Learn how to control variant blocks.

Manage a Configuration Set

How to specify interchangeable sets of simulation configuration parameters for a model.

Multiple Configuration Sets in a Model

Using Multiple Configuration Sets in a Model

Control and Display the Sorted Order

How to set block execution priority and display its execution order.

Concepts

Solvers

How to select the optimal solver for simulating a model.

Choose a Solver

The Simulink library of solvers has two main types—fixed-step and variable-step solvers.

State Information

Some blocks maintain state information that they use during simulation.

About Model Configurations

Overview of Model Configurations

About Configuration Sets

A configuration set comprises groups of related parameters called components.


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