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We have made every attempt to give credit to the original author or authors of the individual models. Unfortunately, since some models come from large model collections or are derived from client models, the correct reference is not always available.

We welcome your comments and suggestions if references of a particular model are incorrect. Please contact the current Performance World coordinator at

LINLib Models by size:

tiny(Number of nonzeros between 0 and 2000)
small(Number of nonzeros between 2000 and 50000)
medium(Number of nonzeros between 50000 and 200000)
large(Number of nonzeros between 200000 and 1000000)
huge(Number of nonzeros greater than 1000000)

Credit List: