Contents

• Contents
• List of Tables
• Introduction
• Usage
• Choices for Preconditioner
• Choices for Accelerator
• Brief Background on Preconditioners
• Brief Background on Accelerators
• Parameter Arrays IPARM and RPARM
• Storage Modes
• Workspace Requirements
• Stopping Tests
• Using Reduced System Methods
• Using Multicolor Orderings
• Error Conditions
• Notes on Use
• Use of Subroutine VFILL
• Sample Usage
• Using NSPCG in Matrix Format-Free Mode
• Installation Guide
• Acknowledgements
• Bibliography