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Syntax:
interpol(
〈values⟩,
〈variable⟩,
〈points⟩);
where 〈values⟩ and 〈points⟩ are lists of equal length and <variable>
is an algebraic
expression (preferably a kernel).
interpol
generates an interpolation polynomial f in the given variable of
degree length
(〈values⟩)-1. The unique polynomial f is defined by the property
that for corresponding elements v of 〈values⟩ and p of 〈points⟩ the relation \(f(p)=v\)
holds.
The Aitken-Neville interpolation algorithm is used which guarantees a stable result even with rounded numbers and an ill-conditioned problem.
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