docs

Author: jwijffels

doc/overview.qmd

@@ -126,6 +126,9 @@ def knots(obj, *args, **kwargs):
 @knots.register(CubicSpline)
 def _knots_cubic(obj):
     return obj.x
+
+model = CubicSpline(x = ..., y = ...)
+n = knots(model)
 ```
 
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