Optimization Models Home Software Links Index Contact 1. Introduction 1.1. Overview 1.2. Optimization Models 2. Linear Algebra 2.1. Vectors 2.2. Matrices 2.3. Linear Equations 2.4. Least-Squares 2.5. Eigenvalues 2.6 Singular Values 3. Convex Models 3.1. Convexity 3.2. LP and QP 3.3. SOCP 3.4. Robust LP 3.5. GP 3.6. SDP 4. Duality 4.1. Weak Duality 4.2. Strong Duality 5. Case Studies 5.1. Senate Voting 5.2. Antenna Arrays 5.3. Localization 5.4. Circuit Design | # Representation of a two-variable quadratic function Symmetric Matrices > Definitions > Example The quadratic function , with values can be represented via a symmetric matrix, as In short: where , and Page generated 2011-10-18 22:15:55 PDT, by jemdoc.