Least squares approximation by splines with free knots
On the Best Least Squares Approximation of Continuous Functions using Linear Splines with Free Knots
1991 ◽
Vol 11
(3)
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pp. 393-409
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2009 ◽
Vol 71
(8)
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pp. 1914-1933
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2007 ◽
Vol 422
(2-3)
◽
pp. 553-562
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2017 ◽
Vol 77
(6)
◽
pp. 7305-7326
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