# nlfXfromY

## Description

Get the value(s) of the independent variable for the specified value of the specified dependent variable.

## Syntax

int nlfXfromY( double dy, double * parX, int nMaxX, int nDependent = 0 )


## Parameters

dy
[input] value of the dependent variable
parX
[output] array for the x values
nMaxX
[output] Size of array pointed to by parX
nDependent
[input] dependent variable (0 based offset)

## Return

Returns 1 if successful and returns the value(s) of the independent variable for the given value of the dependent variable.

## Examples

EX1

 // SAMPLE NOT REVISED (We need alternative for NLFit)


## Remark

Get the value(s) of the independent variable for the specified value of the specified dependent variable. This function is used in conjunction with the internal Origin Non-linear Least Squares Fitter (NLSF) object and uses the most recent fitting function and parameter values specified through the NLSF interface or through script.