EE219A: Computer Analysis of Electrical Circuits Outline Lecture 4.1

9/12/98


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Table of Contents

EE219A: Computer Analysis of Electrical Circuits Outline Lecture 4.1

Nonlinear Transient Analysis

Linear Multistep Methods

Linear Multistep Methods

Solving Ordinary Differential Equations

Sources of Error

Local Truncation Error

Local Truncation Error

Local Truncation Error

Local Truncation Error

Local Truncation Error

Examples

Examples

Algorithm for Choosing LMM

Determination of Local Error

Determination of Local Error

Summary

Implicit Methods

Implicit Methods

Convergence

Convergence

Convergence by Fixed Point Argument

Convergence by Fixed Point Argument

Convergence by Fixed Point Argument

Other Approaches

Consistency

Convergence & Stability

Absolute Stability

Absolute Stability: Example

Use a Test Problem to Evaluate

Applied to GMM

Applied to GMM

Stability of Xn

Region of Absolute Stability

Region of Absolute Stability

Example: Trapezoidal Rule

Finding the Region of Absolute Stability

Finding the Region of Absolute Stability

Finding the Region of Absolute Stability

Finding the Region of Absolute Stability

A-Stability

Example: 7th Order Adams-Bashforth

Author: Richard Newton

Email: rnewton@ic.eecs.berkeley.edu

Home Page: http://www-cad.eecs.berkeley.edu/~newton