Linsolqr

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NLA
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CONOPT
IPOPT
TRON
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Opt
NGSlv
DAE/ODE
IDA
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DOPRI5
RADAU5
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Linsolqr
Linsol
LP
MakeMPS
Logic
LRSlv

Linsolqr is the linear solver in ASCEND. It is a very efficient sparse matrix solver written in pure C code. At present, the solver cannot be accessed directly; it must be accessed via QRSlv, although we would like to expose the solver for direct use by the end user if possible.