enzotib

2,211 reputation

415

bio	website	enzotib.blogspot.it
	location	Italy
	age	46
visits	member for	2 years, 3 months
	seen	2 days ago
stats	profile views	200

Mathematical Physics researcher. Linux user from 1996. C programmer from 1996 to 2002. Mainly oriented to shell programming, package management tools and in general to command line.

	2,211 reputation	bio	website	enzotib.blogspot.it	visits	member for	2 years, 3 months
415 badges		location	Italy		seen	2 days ago

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Apr 28	comment	Taylor Series Expansion of $\frac{\cos(2z)}{e^z+1}$ @user73041, no, for $z_0 = 1$ the distance is $\|i\pi-1\|=\sqrt{1+\pi^2}$
Apr 28	comment	Taylor Series Expansion of $\frac{\cos(2z)}{e^z+1}$ @user73041: en.wikipedia.org/wiki/…
Apr 28	answered	Taylor Series Expansion of $\frac{\cos(2z)}{e^z+1}$
Apr 23	revised	Inverse functions added 15 characters in body; edited title
Feb 23	revised	Proof of inequality $e^x + e^{-x} \leq 2e^{x^2}$ edited title
Feb 23	revised	Help with the inequality $\sum_{k=1}^{1006} \sqrt{k \cdot (2014-k)}<506^2\pi$ edited title
Feb 23	revised	Paradox: increasing sequence that goes to $0$? edited title
Feb 23	comment	Strictly formal proof of $ \displaystyle \lim_{x \to 0} \frac{\sin(x)}{x} = 1 $. Cannot l’Hôpital’s Rule be used directly on $\sin(x)/x$?
Feb 23	revised	Help with limits algebraically added 1 characters in body
Feb 23	revised	Help with limits algebraically added 2 characters in body
Feb 23	revised	Help with limits algebraically added 19 characters in body
Feb 22	comment	Vector taylor series @Ben: see third formula of this paragraph en.wikipedia.org/wiki/…
Jan 31	revised	Is there a general formula for the antiderivative of rational functions? deleted 1 characters in body
Jan 31	revised	non-linear ordinary differential equation A 2 missing on y
Jan 31	comment	non-linear ordinary differential equation Separation of variables?
Jan 30	comment	Can $\frac{\sum_{k = 0}^n e^{\beta_1 \left( t_k + 2 t_n \right)}}{\sum_{k = 0}^n e^{\beta_1 \left( t_k + t_n \right)}}$ be simplified? Maybe I'm drunk, but doesn't this simplify to $e^{\beta_1 t_n}$?
Jan 30	revised	$\lim_{t\to 0} \frac{(1+t)^{1/2} - (1-t)^{1/2}}{t}$ A typo in "simplyfy"
Jan 26	awarded	Yearling
Jan 7	awarded	Quorum
Nov 2	revised	Can we use Fubini's Theorem? edited tags