Instance: t3g6_5555, Dataset: L

Ising Spinglass instances generated by Frauke Liers (2004).
  • ising2.5-n_seed: For each dimension three one-dimensional Ising chain instances. n=100,150,200,250,300.
  • ising3.0-n_seed: For each dimension three one-dimensional Ising chain instances. n=100,150,200,250,300.
  • t2gn_seed: For each dimension three two-dimensional toroidal grid graphs with gaussian distributed weights and dimension n times n, n=10,15,20.
  • t3gn_seed: For each dimension three three-dimensional toroidal grid graphs with gaussian distributed weights and dimension n times n times n, n=5,6,7.
These instances are also part of the Biq Mac Library (2007).
Attention: As opposed to other representations of some of these instances, ours do not contain zero-weight edges or coeffcients in accordance with our format specifications.
Download links: .mc version, .bq version
Instance |V| |E| dim(Q) nz(Q>) nz(Diag(Q)) OSV
t3g6_5555 216 648 216 648 216 17434469

Instance Visualisation

A visualisation of the instance, created with OGDF (click to enlarge).

Edge Weight Plot

A plot showing the frequency of edge weights, for a high-level overview of the edge weight distributions (click to enlarge).

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