About
Calculator
Ordering
FAQ
Download
Download Magma
Databases
User Contributions
Documentation
Handbook
Overview
Release Notes
Discovering Maths with Magma
First Steps in Magma (pdf)
Solving Problems with Magma (pdf)
Acknowledgements
Citations
Conferences
Links
Contact
CAG
Login
Magma
Computer • algebra
Documentation
Up
Contents
Index
Search
Expand all
Collapse all
Introduction
Constructions and Conversions
SymmetricMatrix(f) : RngMPolElt -> Mtrx
GramMatrix(L) : Lat -> Mtrx
QuadraticForm(L) : Lat -> RngMPolElt
QuadraticForm(M) : Mtrx -> RngMPolElt
Local Invariants
pSignature(f,p) : RngMPolElt, RngIntElt -> RngIntElt
Oddity(f) : RngMPolElt -> RngIntElt
pExcess(f, p) : RngMPolElt, RngIntElt -> RngIntElt
WittInvariant(f, p) : RngMPolElt, RngIntElt -> RngIntElt
WittInvariants(f) : RngMPolElt -> SeqEnum
Isotropic Subspaces
IsotropicSubspace(f) : RngMPolElt -> ModTupRng
Example
QuadForm_isotropy-and-witt (H34E1)
Example
QuadForm_second-example-Witt (H34E2)
Bibliography
Up
Contents
Index
Search
V2.28, 28 February 2025