Initializing help system before first use

# PresolveRow(Int32[], Double[], Char, Double) Method

Presolve a row. The function transforms a row that is given in terms of the original model to a row that is given in terms of the presolved model.
Namespace: Optimizer
Assembly: xprsdn (in xprsdn.dll) Version: 47.01.01+0ba4e76731516b80760698bbaa939494dae84e49
Syntax
C#

    public XPRSprobRowInfo PresolveRow(
    	int[] ind,
    	double[] val,
    	char type,
    	double rhs
    )

#### Parameters

ind Int32
  Non-zero column indices.
val Double
  Non-zero values of the row.
type Char
  Type of the row
rhs Double
  Right-hand side of the row.

#### Return Value

XPRSprobRowInfo
null if the row could not be presolved, the presolved row otherwise
Exceptions

Exception | Condition
--- | ---
XPRSException | In case of engine errors
[!:NullPointerException] | if ind or val are null.
ArgumentException | if ind and val have different lengths.

Remarks
Examples using PresolveRow:

- TSP.cs

See Also

#### Reference

XPRSprob Class
PresolveRow Overload
Optimizer Namespace
Parent Topic PresolveRow Method

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