FUNCTION POLAGR (zz, f, z, nplus1)
ARGUMENTS
IN
ZZ point where we want to know F real
F(NPLUS1) y-coordinates list real
Z(NPLUS1) x-coordinates list real
NPLUS1 maximum degree of the Lagrange polynomial + 1 integer
DESCRIPTION
Finds the value at point ZZ of the Lagrange interpolation of degree n that takes the values of F at points of Z.
EXAMPLE
Number 1
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