Initializing help system before first use

getcallbackduals

Purpose
Returns the dual values from the solution associated with the current callback.
Synopsis
getcallbackduals(
prob,
first = 0,
last = getintattrib(prob, xpress:::INPUTROWS) - 1
)
Arguments
prob 
The current problem.
first 
First row whose dual value to return.
last 
Last row whose dual value to return.
Return value
A list with the following elements:
available
This variable will be set to 1 if a dual solution is available.
duals
The values of the dual variables.

Parent Topic R interface reference manual

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