<s>
NPSOL	B-Application
is	O
a	O
software	O
package	O
that	O
performs	O
numerical	O
optimization	O
.	O
</s>
<s>
It	O
solves	O
nonlinear	O
constrained	O
problems	O
using	O
the	O
sequential	B-Algorithm
quadratic	I-Algorithm
programming	I-Algorithm
algorithm	O
.	O
</s>
<s>
It	O
was	O
written	O
in	O
Fortran	B-Application
by	O
Philip	O
Gill	O
of	O
UCSD	O
and	O
Walter	O
Murray	O
,	O
Michael	O
Saunders	O
and	O
Margaret	O
Wright	O
of	O
Stanford	O
University	O
.	O
</s>
<s>
The	O
name	O
derives	O
from	O
a	O
combination	O
of	O
NP	O
for	O
nonlinear	B-Algorithm
programming	I-Algorithm
and	O
SOL	O
,	O
the	O
Systems	O
Optimization	O
Laboratory	O
at	O
Stanford	O
.	O
</s>
