De Boor's algorithm: Difference between revisions

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TN (talk | contribs)
More precise smootheness condition; (otherwise the given statement is wrong)
TN (talk | contribs)
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and
 
:<math>N_i^0(x)=\left\{\begin{matrix} 1, & \mbox{if }x \in [u_{i},u_{i+1}]) \\ 0, & \mbox{otherwise } \end{matrix}\right.</math>