libraries/Ipopt: Added (Interior Point OPTimizer).

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/libraries/Ipopt/README b/libraries/Ipopt/README
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+Ipopt (Interior Point OPTimizer, pronounced eye-pea-Opt)
+
+Ipopt (Interior Point OPTimizer, pronounced eye-pea-Opt) is a software
+package for large-scale, nonlinear optimization. It is designed to find
+(local) solutions of mathematical optimization problems in the form:
+
+   min     f(x)
+x in R^n
+
+s.t.       g_L <= g(x) <= g_U
+           x_L <=  x   <= x_U
+
+where f(x): R^n --> R is the objective function, and g(x): R^n --> R^m
+are the constraint functions. The vectors g_L and g_U denote the lower
+and upper bounds on the constraints, and the vectors x_L and x_U are
+the bounds on the variables x. The functions f(x) and g(x) can be
+nonlinear and nonconvex, but should be twice continuously
+differentiable. Note that equality constraints can be formulated in
+the above formulation by setting the corresponding components of g_L
+and g_U to the same value.