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The semidefinite programming CSDP solver from COIN-OR. The communication with CSDP requires the setup of matrix data structures in a CSDP input file. In a sense a GAMS model functions as a matrix generator.


csdp <input problem> [<final solution>] [<initial solution>]

<input problem>

the name of a file containing the SDP problem in SDPA sparse format.

<final solution>

the optional name of a file in which to save the final solution.

<initial solution>

the optional name of a file from which to tak the initial solution.

See CSDP User's Guide for more information.