3.3.E1

MaRDI QIDQ1076

• Label: 3.3.E1

Digital Library of Mathematical Functions ID 3.3.E1

${\displaystyle{\displaystyle P_{n}(z)=\sum_{k=0}^{n}\ell_{k}(z)f_{k}=\sum_{k=0}^{n}\frac{\omega_{n+1}(z)}{(z-z_{k})\omega_{n+1}^{\prime}(z_{k})}f_{k},}}$

Symbols List

• ${\displaystyle{\displaystyle\ell_{k}(z)}}$: Lagrange interpolation polynomial
• ${\displaystyle{\displaystyle\omega_{n+1}(z)}}$: nodal polynomial (locally)
 

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