Routines (alphabetical) > Routines: P > POLY

# POLY

The POLY function evaluates a polynomial function of a variable.

This routine is written in the IDL language. Its source code can be found in the file `poly.pro` in the `lib` subdirectory of the IDL distribution.

## Syntax

Result = POLY(X, C)

## Return Value

The result is equal to:

C0 + C1x + C2x2 + ...

## Arguments

### X

The variable. This value can be a scalar, vector or array.

### C

The vector of polynomial coefficients. The degree of the polynomial is N_ELEMENTS(C) - 1.

## Keywords

None.

## Version History

Original | Introduced

## See Also

FZ_ROOTS