/// <summary>
/// the derivative of the curvature at t
/// </summary>
/// <param name="t"></param>
/// <returns></returns>
public double CurvatureDerivative(double t)
{
return(curve.CurvatureDerivative(t));
}
/// <summary>
/// the derivative of the curvature at t
/// </summary>
/// <param name="t"></param>
/// <returns></returns>
public double CurvatureDerivative(double t)
{
return(curve.CurvatureDerivative(t));
}