Jose Garcia
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# 718 Actions

 Nov 14 asked The limit of $m\int_{a}^{1/m} \frac{dx}{x}=0$ and $m\int_{a}^{\infty} \frac{dx}{x^{1+m}}=0$ as $m\to0$ Nov 14 comment Inhomogeneus recurrence relation $a_{n+1} = 2a_n+3^n+4^n$ fro 4 n \to \infty $your difference equation becomes$ y'(x)=y(x)+3^{x}+4^{x} $solve this and you will have an approximate solution Nov 14 asked limit of$ 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