C05.C05NC_FCN Delegate
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fcn must return the values of the functions fi  at a point x.

Syntax

C#
public delegate void C05NC_FCN(
	int n,
	double[] x,
	double[] fvec,
	ref int iflag
)
Visual Basic (Declaration)
Public Delegate Sub C05NC_FCN ( _
	n As Integer, _
	x As Double(), _
	fvec As Double(), _
	ByRef iflag As Integer _
)
Visual C++
public delegate void C05NC_FCN(
	int n, 
	array<double>^ x, 
	array<double>^ fvec, 
	int% iflag
)
F#
type C05NC_FCN = 
    delegate of 
        n:int * 
        x:float[] * 
        fvec:float[] * 
        iflag:int byref -> unit

Parameters

n
Type: System..::.Int32
On entry: n, the number of equations.
x
Type: array< System..::.Double >[]()[]
On entry: the components of the point x at which the functions must be evaluated.
fvec
Type: array< System..::.Double >[]()[]
On entry: if iflag=0 , fvec contains the function values fix  and must not be changed.
On exit: if iflag>0  on entry, fvec must contain the function values fix  (unless iflag is set to a negative value by fcn).
iflag
Type: System..::.Int32 %
On entry: iflag≥0 .
iflag=0
x and fvec are available for printing (see nprint below).
iflag>0
fvec must be updated.
On exit: in general, iflag should not be reset by fcn. If, however, you wish to terminate execution (perhaps because some illegal point x has been reached), then iflag should be set to a negative integer. This value will be returned through ifail.

See Also