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Is there any operator that could truncate Laguerre polynomial so that the polynomial is only left with the highest order term?

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    Well, you could reverse the polynomial ($x^n L_n(1/x)$), differentiate the appropriate number of times, and then multiply the constant you get with $x^n$... why do you want to do this, anyway?2012-07-10
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    The variable of Laguerre polynomial should not be changed. The operator should act on the polynomial and eliminate any term other than the highest order term.2012-07-10

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