Say I have a list
L = {0,1,2,4,6}
how can I form a power series with coefficients in L
x + 2x^2 + 4x^3 + 6x^4
?
$\begingroup$
$\endgroup$
7
Expand[FromDigits[Reverse[{0, 1, 2, 4, 6}], x]]$\endgroup$L. x^Range[0, Length[L] - 1]? $\endgroup$SeriesData[x, 0, L, 0, Length@L, 1]if someone wants aSeries... $\endgroup$SeriesData[x, 0, L, 0, Length@L, 1] // Normalfor polynomial $\endgroup$pfor anyone to understand why you are getting an expansion. $\endgroup$