. . .I'm totally not getting this double sigma notation thing... I mean, it's like a loop within a loop, right? so there should be some binomial co-efficient to get rid of the inner sigma? but the co-efficient would depend on the variable of the inner sigma, which makes the resultant co-efficient squared?! Guhh.... Math... not... going... in...
. . .Combinatorics midterm at 4:30pm today... whee! ...On enumeration/generating series. Really interesting and fun stuff... at least, at lot more than calc. LoL...
2004/03/02
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