<s>
The	O
FICO	B-Application
Xpress	I-Application
optimizer	O
is	O
a	O
commercial	O
optimization	O
solver	B-Application
for	O
linear	B-Algorithm
programming	I-Algorithm
(	O
LP	O
)	O
,	O
mixed	O
integer	O
linear	B-Algorithm
programming	I-Algorithm
(	O
MILP	O
)	O
,	O
convex	O
quadratic	B-Algorithm
programming	I-Algorithm
(	O
QP	O
)	O
,	O
convex	O
quadratically	O
constrained	O
quadratic	B-Algorithm
programming	I-Algorithm
(	O
QCQP	O
)	O
,	O
second-order	B-Algorithm
cone	I-Algorithm
programming	I-Algorithm
(	O
SOCP	B-Algorithm
)	O
and	O
their	O
mixed	O
integer	O
counterparts	O
.	O
</s>
<s>
Xpress	O
includes	O
a	O
general	O
purpose	O
non-linear	O
solver	B-Application
,	O
Xpress	O
NonLinear	O
,	O
including	O
a	O
successive	O
linear	B-Algorithm
programming	I-Algorithm
algorithm	O
(	O
SLP	O
,	O
first-order	O
method	O
)	O
,	O
and	O
Artelys	B-Application
Knitro	I-Application
(	O
second-order	O
methods	O
)	O
.	O
</s>
<s>
Being	O
released	O
in	O
1983	O
,	O
Xpress	O
was	O
the	O
first	O
commercial	O
LP	O
and	O
MIP	O
solver	B-Application
running	O
on	O
PCs	B-Device
.	O
</s>
<s>
In	O
1992	O
,	O
an	O
Xpress	O
version	O
for	O
parallel	O
computing	O
was	O
published	O
,	O
which	O
was	O
extended	O
to	O
distributed	B-Architecture
computing	I-Architecture
five	O
years	O
later	O
.	O
</s>
<s>
Xpress	O
was	O
the	O
first	O
MIP	O
solver	B-Application
to	O
cross	O
the	O
billion	O
matrix	O
non-zero	O
threshold	O
by	O
introducing	O
64-bit	O
indexing	O
in	O
2010	O
.	O
</s>
<s>
Since	O
2014	O
,	O
Xpress	O
features	O
the	O
first	O
commercial	O
implementation	O
of	O
a	O
parallel	O
dual	O
simplex	B-Algorithm
method	I-Algorithm
.	O
</s>
<s>
Linear	O
and	O
quadratic	B-Algorithm
programs	I-Algorithm
can	O
be	O
solved	O
via	O
the	O
primal	O
simplex	B-Algorithm
method	I-Algorithm
,	O
the	O
dual	O
simplex	B-Algorithm
method	I-Algorithm
or	O
the	O
barrier	O
interior	B-Algorithm
point	I-Algorithm
method	I-Algorithm
.	O
</s>
<s>
All	O
mixed	O
integer	O
programming	O
variants	O
are	O
solved	O
by	O
a	O
combination	O
of	O
the	O
branch	B-Algorithm
and	I-Algorithm
bound	I-Algorithm
method	O
and	O
the	O
cutting-plane	B-Algorithm
method	I-Algorithm
.	O
</s>
<s>
Mosel	O
includes	O
distributed	B-Architecture
computing	I-Architecture
features	O
to	O
solve	O
multiple	O
scenarios	O
of	O
an	O
optimization	O
problem	O
in	O
parallel	O
.	O
</s>
<s>
Xpress	O
has	O
a	O
modeling	O
module	O
called	O
BCL	O
(	O
Builder	O
Component	O
Library	O
)	O
that	O
interfaces	O
to	O
the	O
C	B-Language
,	O
C++	B-Language
,	O
Java	B-Language
programming	I-Language
languages	I-Language
,	O
and	O
to	O
the	O
.NET	B-Application
Framework	I-Application
.	O
</s>
<s>
Independent	O
of	O
BCL	O
,	O
there	O
are	O
Python	B-Language
and	O
MATLAB	B-Language
interfaces	O
.	O
</s>
<s>
Next	O
to	O
Mosel	O
,	O
Xpress	O
connects	O
to	O
other	O
standard	O
modeling	O
languages	O
,	O
such	O
as	O
AIMMS	B-Application
,	O
AMPL	B-Language
,	O
and	O
GAMS	B-Application
.	O
</s>
<s>
The	O
FICO	B-Application
Xpress	I-Application
Executor	O
executes	O
and	O
deploys	O
Mosel	O
models	O
,	O
using	O
SOAP	B-Application
or	O
REST	O
interfaces	O
.	O
</s>
