825 reputation
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bio website eelvex.net
location Greece
age
visits member for 3 years, 2 months
seen Apr 13 at 20:29

(+.-.)@+: b that is the question and the answer is always true.


Feb
25
awarded  Yearling
Jan
3
awarded  Popular Question
Nov
17
revised Question that can not be solve analytically .
deleted 27 characters in body
Nov
17
answered Question that can not be solve analytically .
Jun
11
comment How to calculate circumference of circle in $L^p$?
Interesting observation. I had made the plot but didn't notice the relation.
May
7
awarded  Caucus
Feb
25
awarded  Yearling
Jun
12
comment is the approximation of the sum true?
Well, it doesn't seem to hold. What are the limits of $l, n$ that it is supposed to?
Jun
12
answered Dividing by 1000 twice?
Jun
9
comment How do I show that this function is always $> 0$
@AndrewSalmon: "for $x<0$". Besides, for $x>0$ the original inequality is obviously true.
Jun
9
comment How do I show that this function is always $> 0$
@DonAntonio Sure :)
Jun
9
revised How do I show that this function is always $> 0$
deleted 21 characters in body
Jun
9
comment How do I show that this function is always $> 0$
Well, not so much (unless I'm mistaken) but I don't want to give away the answer.
Jun
9
answered How do I show that this function is always $> 0$
Jun
9
answered Limit of a function tending to zero.
Apr
12
comment Getting the sequence $1, 0, -1, 0, 1, 0, -1, 0, \ldots$ without trig?
@Anixx I was talking about the definition of $(-1)^n$, which is not trigonometric.
Apr
12
comment Getting the sequence $1, 0, -1, 0, 1, 0, -1, 0, \ldots$ without trig?
@Anixx $(-1)^n = -1\cdot -1\cdot -1 \cdots (n)$ because here $n\in N$.
Mar
29
accepted How to compare quantities in first order logic?
Mar
8
asked How to compare quantities in first order logic?
Mar
7
accepted Is there a name for this bipartite graph problem?