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  • 8 votes cast
Mar
17
accepted A “generalized” exponential power series
Mar
17
comment A “generalized” exponential power series
$\Gamma(a,x)$ is the incomplete gamma
Mar
17
revised A “generalized” exponential power series
deleted 83 characters in body
Mar
17
comment A “generalized” exponential power series
@Alex - "hypergeometric" gives me a direction - it would then be something like $_{1}F_{1}(1;\alpha;x)$, thank you!
Mar
17
asked A “generalized” exponential power series
Jan
22
revised Counting distinct restricted integer partitions of $n$ into exactly $k$ distinct parts less or equal then $M$
solution found - but explanation needed
Jan
21
revised Counting distinct restricted integer partitions of $n$ into exactly $k$ distinct parts less or equal then $M$
minor title change
Jan
21
asked Counting distinct restricted integer partitions of $n$ into exactly $k$ distinct parts less or equal then $M$
Dec
11
asked Generating function for the characteristic function of primes
Jul
25
answered Schonhage–Strassen algorithm
Jul
25
comment Large numbers calculation
Another very good book is Modern Computer Algebra by Joachim von zur Gathen. It goes however well beyond number representations.
Jul
23
awarded  Scholar
Jul
23
accepted Diophantine Equation: $xy+ax+by+c=0$
Jul
23
comment Diophantine Equation: $xy+ax+by+c=0$
Right, thanks! That's where I started - I was hoping to factor $N = a^2+r = (a-x)(a+y)$
Jul
23
comment Diophantine Equation: $xy+ax+by+c=0$
That's what I was looking for. And $x^2-y^2=c$ would be a Pell's equation, that could not be easily solved, could it?
Jul
23
awarded  Editor
Jul
23
awarded  Supporter
Jul
23
revised Diophantine Equation: $xy+ax+by+c=0$
edited body; edited title
Jul
23
comment Diophantine Equation: $xy+ax+by+c=0$
Oh,yes, thank you, it should read xy+ax+by+c=0.
Jul
22
awarded  Student