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CircleDerivativeAt Method
Determines the value of the Nth derivative at a parameter.

Namespace: Rhino.Geometry
Assembly: RhinoCommon (in RhinoCommon.dll) Version: 5.1.50000.0 (5.0.20693.0)
Syntax
public Vector3d DerivativeAt(
	int derivative,
	double t
)

Parameters

derivative
Type: SystemInt32
Which order of derivative is wanted.
t
Type: SystemDouble
Parameter to evaluate derivative. Valid values are 0, 1, 2 and 3.

Return Value

Type: Vector3d
The derivative of the circle at the given parameter.
See Also