e04nsh Method
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nAG supplied method for use with the callback parameter: qphx.

Syntax

C#
public static void e04nsh(
	int ncolh,
	double[] x,
	double[] hx,
	int nstate
)
Visual Basic (Declaration)
Public Shared Sub e04nsh ( _
	ncolh As Integer, _
	x As Double(), _
	hx As Double(), _
	nstate As Integer _
)
Visual C++
public:
static void e04nsh(
	int ncolh, 
	array<double>^ x, 
	array<double>^ hx, 
	int nstate
)
F#
static member e04nsh : 
        ncolh:int * 
        x:float[] * 
        hx:float[] * 
        nstate:int -> unit

Parameters

ncolh
Type: System..::.Int32
On entry: this is the same parameter ncolh as supplied to e04nsh.
x
Type: array< System..::.Double >[]()[]
An array of size [ncolh]
On entry: the first ncolh elements of the vector x.
hx
Type: array< System..::.Double >[]()[]
An array of size [ncolh]
On exit: the product Hx. If ncolh is less than the input parameter n, Hx is really the product H1y in .
nstate
Type: System..::.Int32
On entry: allows you to save computation time if certain data must be read or calculated only once. To preserve this data for a subsequent calculation place it in one of cuser, ruser or iuser .
nstate=1
e04nsh is calling qphx for the first time.
nstate=0
There is nothing special about the current call of qphx.
nstate≥2
e04nsh is calling qphx for the last time. This parameter setting allows you to perform some additional computation on the final solution.
nstate=2
The current x is optimal.
nstate=3
The problem appears to be infeasible.
nstate=4
The problem appears to be unbounded.
nstate=5
The iterations limit was reached.

Error Indicators and Warnings

Accuracy

Further Comments

See Also