Initializing help system before first use

# getdualray

Purpose
Retrieves a dual ray (dual unbounded direction) for the current problem, if the problem is found to be infeasible.
Synopsis
`getdualray(prob)`
Argument

prob | The current problem.

Return value
A list with the following elements:

ray
  Double array of length ROWS containing the ray.
hasray
  This variable will be set to 1 if the Optimizer is able to return a dual ray, 0 otherwise.

Parent Topic R interface reference manual

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