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Re: CoefficientList[] option




Alex Bates wrote in message <6kb0s5$3k1@smc.vnet.net>...
..........
>Is there a way to force CoefficientList[] to pad out its list to P+1
>elements (so that the List it outputs corresponds to a rectangular
>matrix?)



CoefficientList[a + b x + c x^4 + p x^7,x]/.p->0

{a,b,0,0,c,0,0,0}


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