Initializing help system before first use

# GetCallbackPresolveDuals(Boolean, Double[], Int32, Int32) Method

Returns the dual values from the solution to the presolved problem associated with the current callback.
Namespace: Optimizer
Assembly: xprsdn (in xprsdn.dll) Version: 46.01.02+e8d9493ad804415424ae931ce2abaeb6c55a6d5a
Syntax
C#

    public void GetCallbackPresolveDuals(
    	out bool p_available,
    	double[] duals,
    	int first,
    	int last
    )

#### Parameters

p_available Boolean
  This variable will be set to 1 if a dual solution is available. May be null if not required.
duals Double
  Double array of length last-first+1 where the values of the dual variables will be returned. May be null if not required.
first Int32
  First row whose dual value to return.
last Int32
  Last row whose dual value to return.

See Also

#### Reference

XPRSprob Class
GetCallbackPresolveDuals Overload
Optimizer Namespace
Parent Topic GetCallbackPresolveDuals Method

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