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Getting coefficients list of a series expansion at a point different from 0

One way is to do the following: expand to whatever order you want, and subsequently substitute $x-1$ by $y$. Do CoefficientList in the ...
bmf's user avatar
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How can I extract the constant coefficient in polynomial?

Instead of trying to extract the number with Coefficient and filtering the result, it is much better to go the mathematical way. Your function can be written as $$ ...
yarchik's user avatar
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4 votes

How to extract coefficients and powers from expressions with non integer powers?

expr = 3 - 2 x + 7 x^2.1 + x^2.4 - 5 x^3; Using ReplaceAll ...
eldo's user avatar
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