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Nov
14
asked limit of $ x^{y} $ in several variables
Nov
12
reviewed Approve Find a map $g: \mathbb{R}^2 \rightarrow \mathbb{R}$ to prove surjectivity for a given $f:\mathbb{R} \rightarrow \mathbb{R}^2 $
Nov
12
reviewed Approve Partial derivative at (0,0).
Nov
12
asked Why the poisson summation formula works
Nov
9
awarded  Popular Question
Nov
7
reviewed Approve Translating a Word Problem into an Algebraic Equation
Nov
7
reviewed Approve Simple formula for a sieries like 1, 2, 5, 10, 20, 50, 100, …
Nov
7
reviewed Approve Is irrational times rational always irrational?
Nov
7
reviewed Approve Transforming hyperbolic PDE into normal form
Nov
7
comment Inverse Laplace Transform of $s^n$
i thinks is more like $ (-1)^{n} \delta ^{n} (x) $$ the derivatives of delta function
Nov
6
comment zeta regularization separation of series
by curiosity what would happen with this identity if $ k=1 $
Nov
6
accepted zeta regularization separation of series
Nov
6
asked zeta regularization separation of series
Nov
6
comment singular fnction involving gamma function
my probelm was most related to see if the derivatives of $$ \frac{\Gamma (z+1)}{\Gamma (z-2r+1)} $$ for m negative and r postive turned to be $\infty$
Nov
6
comment singular fnction involving gamma function
OK tahnks i need it for any formula involivng Euler-Maclaurin summation formula thanks Daniel :)
Nov
6
asked singular fnction involving gamma function
Nov
5
asked derivatives of the inverse gamma function at negative integers??
Oct
30
reviewed Approve Efficient ways to evaluate an integral with a logarithm
Oct
30
accepted Efficient ways to evaluate an integral with a logarithm
Oct
30
asked Efficient ways to evaluate an integral with a logarithm