add Greville abscissae method for curve fitting, (original universal method will crash on fitting)
Using UNIFORM parameterization method. Data Points: (0, 0, 5) (0, 3, 5) (0, 4, 5) (0, 5, 5) (0, 7, 5) (0, 11, 5) (0, 13, 5) (0, 15, 5) (5, 15, 5) (5, 13, 4) Control Points: (-8.34172e-17, -1.92789e-16, 5) (-0.00267186, 3.20027, 4.99992) (0.00534372, 3.59945, 5.00015) (-0.00801557, 4.93416, 4.99977) (0.0300584, 6.33024, 5.00086) (-0.112218, 11.7449, 4.99679) (0.418814, 12.6903, 5.01197) (-2.22365, 16.4287, 4.93647) (9.86183, 14.7856, 5.28177) (5, 13, 4) Knots: 0 0 0 0 0.222222 0.333333 0.444444 0.555556 0.666667 0.777778 1 1 1 1 Curve Length: 24.3563 Stretch Energy: 814.352 Bending Energy: 200817
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