SurfaceEvaluator.GetFirstDerivatives Method
Parent Object: SurfaceEvaluatorDescription
Calculates the first order derivatives at the given parameter values on the surface.
Syntax
SurfaceEvaluator.GetFirstDerivatives( Params() As Double, UPartials() As Double, VPartials() As Double )Parameters
| Name | Type | Description |
| Params | Double | Input/output array of Doubles that specifies the parameters. |
| UPartials | Double | Output Double array that returns the first U partial derivatives. |
| VPartials | Double | Output Double array that returns the first V partial derivatives. |