Experiment with weights.
Link/unlink handles.
Sliders for weights, including full description of the implementation.
Here, I applied weights to the points lying on the curve.
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Bézier Curves, I
1. Construction: [url]http://www.geogebratube.org/material/show/id/27320[/url]
2. Higher Order Curves: [url]http://www.geogebratube.org/material/show/id/27627[/url]
3. Basic Implementation: [url]http://www.geogebratube.org/material/show/id/27631[/url]
[b]→4. Weights[/b]
5. Continuous path: [url]http://www.geogebratube.org/material/show/id/81193[/url]
