symdec :: Functions (Robust Control Toolbox™)

Contents

Index

• Getting Started

• Uncertain Elements

• Uncertain Matrices and Systems

• Manipulation of Uncertain Models

• Interconnection of Uncertain Models

• Model Order Reduction

• Robustness and Worst-Case Analysis

• Robustness Analysis for Parameter-Dependent Systems (P-Systems)

• Controller Synthesis

• µ-Synthesis

• Sampled-Data Systems

• Gain Scheduling

• Frequency-Response Data (FRD) Models

• Supporting Utilities

• LMIs

• Modification of Systems of LMIs

• Release Notes

symdec

Purpose

Form symmetric matrix

Syntax

```
x = symdec(m,n)
```

Description

symdec(m,n) forms an m-by-m symmetric matrix of the form

This function is useful to define symmetric matrix variables. n is the number of decision variables.

See Also

decinfo Show how matrix variables depend on decision variables

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frd/svd sysic

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