---
title: xFrameAdjustmentsPolynomial
framework: coremedia
role: symbol
role_heading: Instance Property
path: coremedia/cmformatdescription/extensions-swift.struct/value/cameracalibrationdatalenscollection/calibration/xframeadjustmentspolynomial
---

# xFrameAdjustmentsPolynomial

Three element polynomial for mapping x axis UV parameters with an adjustment using the equation x' = polynomialX[0] + polynomialX[1]*x + polynomialX[2]*x^3.

## Declaration

```swift
var xFrameAdjustmentsPolynomial: SIMD3<Float>
```