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 Constituent
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Dec
20
awarded  Constituent
Dec
8
awarded  Caucus
Nov
16
answered Give a concrete sequence of rationals which converges to an irrational number and vice versa.
Jul
20
answered Mathematical writing: why should we not use the phrase “we have that”?
Jul
14
awarded  Yearling
May
17
awarded  Constituent
May
6
awarded  Caucus
Nov
21
comment Is the function $f( x)=1/|x|^{1/2}$ Lipschitz continuous?
The stated $x_i$ don't work; eg if C = 1+e for small positive e, $|f(x_1)-f(x_2)| < C|x_1-x_2|$. However, $x_1 = \frac{1}{C^2}$ and $x_2 = \frac{1}{2C^2}$ work.
Oct
22
awarded  Critic
Jul
31
awarded  Excavator
Jul
31
revised Zero probability and impossibility
fix some spellings
Jul
31
suggested approved edit on Zero probability and impossibility
Jul
14
awarded  Yearling
Nov
23
answered Check if point on circle is in between two other points (Java)
Nov
20
answered What is wrong with my algorithm (finding if the origin is within a triangle's interior)?
Nov
15
comment Percentage of primes among the natural numbers
@MartinSleziak Moose can un-accept one answer and accept a different one at any time, should he or she so desire.
Nov
15
comment Problem on Divide-and-Conquer Relation
Although you say "Each player who loses in the first round gets nothing", the problem says "a player who loses in the first round gets $100".
Nov
15
comment Counting walks on colored graphs
Can you explain your $3*2^{k−1}$ walks on k 3-colored vertices formula? At least at k=1 and k=2 the numbers appear to be twice as large; e.g {br, bg, gr, gb, rg, rb} at k=1, and {gbg, grg, gbr, grb, etc} at k=2.
Nov
14
comment Algorithms and Simulation
Were you given a definition of "optimal"? Or any limitations? (I.e. for (b) it looks like $\sigma^2=1$ should be optimal for the obvious def of optimal)
Nov
11
answered Proving a Diophantine equation has no solutions