# CxPolyRootsEx

Advanced Analysis Library Only

AnalysisLibErrType CxPolyRootsEx (NIComplexNumber polynomialCoefficients[], int numberOfCoefficients, NIComplexNumber polynomialRoots[]);

## Purpose

Calculates the roots of a complex polynomial with high precision.

## Parameters

Input
Name | Type | Description
polynomialCoefficients | complex number array | The coefficients of the polynomial in ascending order of power.
numberOfCoefficients | integer | The length of polynomialCoefficients.
Output
Name | Type | Description
polynomialRoots | complex number array | The roots of the polynomial. The length of this parameter is numberOfCoefficients - 1.

## Return Value

Name | Type | Description
status | AnalysisLibErrType | A value that specifies the type of error that occurred. Refer to analysis.h for definitions of these constants.