R interface to Ipopt

Description

is.ipoptr preforms checks to see if a fully specified problem is supplied to ipoptr. Mostly for internal use.

Usage

is.ipoptr( x )

Arguments

Value

Logical. Return TRUE if all tests were passed, otherwise return FALSE or exit with Error.

Author(s)

Jelmer Ypma

References

A. Waechter and L. T. Biegler, On the Implementation of a Primal-Dual Interior Point Filter Line Search Algorithm for Large-Scale Nonlinear Programming, Mathematical Programming 106(1), pp. 25-57, 2006

See Also

ipoptr print.sparseness