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Contents

Index

• Getting Started

• User's Guide

• Desktop Tools and Development Environment

• Data Import and Export

• Mathematics

• Arrays and Matrices

• Linear Algebra

• Elementary Math

• Polynomials

• Interpolation and Computational Geometry

• Cartesian Coordinate System Conversion

• Nonlinear Numerical Methods

• Special Functions

• Sparse Matrices

• Elementary Sparse Matrices

• Full to Sparse Conversion

• Sparse Matrix Manipulation

• Reordering Algorithms

• Linear Algebra

• Linear Equations (Iterative Methods)

• Tree Operations

• Math Constants

• Data Analysis

• Programming and Data Types

• Object-Oriented Programming

• 3-D Visualization

• GUI Development

• External Interfaces

• Release Notes

treelayout - Lay out tree or forest

Syntax

[x,y] = treelayout(parent,post) [x,y,h,s] = treelayout(parent,post)

Description

[x,y] = treelayout(parent,post) lays out a tree or a forest. parent is the vector of parent pointers, with 0 for a root. post is an optional postorder permutation on the tree nodes. If you omit post, treelayout computes it. x and y are vectors of coordinates in the unit square at which to lay out the nodes of the tree to make a nice picture.

[x,y,h,s] = treelayout(parent,post) also returns the height of the tree h and the number of vertices s in the top-level separator.

See Also

etree | etreeplot | symbfact | treeplot

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