ngraph.sparse-collection/LPnetlib/lp_scorpion/index.js

Subset of the University of Florida sparse matrix collection

module.exports = 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matrix coordinate real general\n-------------------------------------------------------------------------------\n UF Sparse Matrix Collection, Tim Davis\n http://www.cise.ufl.edu/research/sparse/matrices/LPnetlib/lp_scorpion\n name: LPnetlib/lp_scorpion\n [Netlib LP problem scorpion: minimize c'*x, where Ax=b, lo<=x<=hi]\n id: 673\n date: 1981\n author: J. Ho, E. Loute\n ed: R. Fourer\n fields: title name A b id aux kind date author ed notes\n aux: c lo hi z0\n kind: linear programming problem\n-------------------------------------------------------------------------------\n notes:\n A Netlib LP problem, in lp/data.  For more information                    \n send email to netlib@ornl.gov with the message:                           \n                                                                           \n \t send index from lp                                                      \n \t send readme from lp/data                                                \n                                                                           \n The following are relevant excerpts from lp/data/readme (by David M. Gay):\n                                                                           \n The column and nonzero counts in the PROBLEM SUMMARY TABLE below exclude  \n slack and surplus columns and the right-hand side vector, but include     \n the cost row.  We have omitted other free rows and all but the first      \n right-hand side vector, as noted below.  The byte count is for the        \n MPS compressed file; it includes a newline character at the end of each   \n line.  These files start with a blank initial line intended to prevent    \n mail programs from discarding any of the data.  The BR column indicates   \n whether a problem has bounds or ranges:  B stands for \"has bounds\", R     \n for \"has ranges\".                                                         \n                                                                           \n The optimal value is from MINOS version 5.3 (of Sept. 1988)               \n running on a VAX with default options.                                    \n                                                                           \n                        PROBLEM SUMMARY TABLE                              \n                                                                           \n Name       Rows   Cols   Nonzeros    Bytes  BR      Optimal Value         \n SCORPION    389    358     1708      12186        1.8781248227E+03        \n                                                                           \n Supplied by Bob Fourer.                                                   \n When included in Netlib: Extra free rows omitted.                         \n                                                                           \n Source: J.K. Ho and E. Loute, \"A Set of Staircase Linear Programming      \n Test Problems\", Math. Prog. 20 (1981), pp. 245-250.                       \n                                                                           \n-------------------------------------------------------------------------------"};