The SIF Reference Document

Andrew R. Conn, Nicholas I. M. Gould and Philippe L. Toint

Abstract:

In this document, we provide a definitive description of the standard input format. It is intended to be used primarily as a reference document.

• 1 Introduction
• 2 An introduction to nonlinear optimization problem structure
  • 2.1 Problem, Elemental and Internal Variables
  • 2.2 Element and Group Types
  • 2.3 An Example
  • 2.4 A Second Example
  • 2.5 A Final Example
• 3 The Standard Data Input Format
  • 3.1 Introduction to the Standard Data Input Format
    • 3.1.1 Names
    • 3.1.2 Fortran Names
    • 3.1.3 Numerical Values
    • 3.1.4 An Example
  • 3.2 Indicator and Data Cards
    • 3.2.1 The NAME Indicator Card
    • 3.2.2 The ENDATA Indicator Card
    • 3.2.3 Integer and Real Parameters
    • 3.2.4 Do-loops
    • 3.2.5 The Definition of Variables and Groups
    • 3.2.6 The GROUPS, ROWS or CONSTRAINTS Data Cards (variable/column-wise)
    • 3.2.7 The VARIABLES or COLUMNS Data Cards (Variable/Column-Wise)
    • 3.2.8 The VARIABLES or COLUMNS Data Cards (Group/Row-Wise)
    • 3.2.9 The GROUPS, ROWS or CONSTRAINTS Data Cards (Group/Row-Wise)
    • 3.2.10 The CONSTANTS, RHS or RHS' Data Cards
    • 3.2.11 The RANGES Data Cards
    • 3.2.12 The BOUNDS Data Cards
    • 3.2.13 The START POINT Data Cards
    • 3.2.14 The ELEMENT TYPE Data Cards
    • 3.2.15 The ELEMENT USES Data Cards
    • 3.2.16 The GROUP TYPE Data Cards
    • 3.2.17 The GROUP USES Data Cards
    • 3.2.18 The OBJECT BOUND Data Cards
  • 3.3 Another Example
  • 3.4 A Further Example
• 4 The Standard Input Format for Nonlinear Elements
  • 4.1 Introduction to the Standard Element Type Input Format
    • 4.1.1 The Values and Derivatives Required
  • 4.2 Indicator Cards
  • 4.3 An Example
  • 4.4 Data Cards
    • 4.4.1 The TEMPORARIES Data Card
    • 4.4.2 The GLOBALS Data Cards
    • 4.4.3 The INDIVIDUALS Data Cards
  • 4.5 Two Further Examples
• 5 The Standard Input Format for Nontrivial Groups
  • 5.1 Introduction to the Standard Group Type Input Format
    • 5.1.1 The Values and Derivatives Required
    • 5.1.2 Indicator Cards
    • 5.1.3 An Example
  • 5.2 Data Cards
    • 5.2.1 The INDIVIDUALS Data Cards
  • 5.3 Two Further Examples
• 6 Free Form Input
• 7 Other Standards and Proposals
• 8 Conclusions
• References