8,651 reputation
21738
bio website gottwurfelt.wordpress.com
location San Francisco, CA
age 30
visits member for 4 years
seen 6 hours ago

Quantitative analyst and math blogger.


Jun
18
revised Applications of groups, rings and modules in life
formatting, capitals
Feb
27
revised For all sets A, B and C, if $A\setminus(B \cup C) = \emptyset$ ; then $A\setminus C\subseteq B$.
improved formatting and changed tags
Feb
18
revised What is my interest rate?
Added new answer
Dec
1
revised What is the least positive integer $n$ for which $(-\sqrt{2}+i\sqrt{6})^n$ is an integer?
added 47 characters in body
Oct
5
revised Baby Shower Problem. Too hard for 1st grader but got parents thinking
(1,0) and (0,1) aren't solutions in practice
Sep
30
revised Manipulating harmonic series
cleaned up TeX
Sep
16
revised Proving : $ \bigl(1+\frac{1}{n+1}\bigr)^{n+1} \gt (1+\frac{1}{n})^{n} $
edited body
Jul
30
revised Distribution of Max(X_i) | Min(X_i), X_i are iid uniform random variables
had wrong pdf for Y.
Jul
23
revised A nice expression for $P(X>Y, X>Z)$ where $X$ is standard normal, $Y, Z$ are normal with mean 1 and variance 1?
edited body
May
3
revised $N^L$ vs. ${N+L\choose N}$
added 10 characters in body
Apr
28
revised Computing the population given a set of replication rates
added tags
Apr
21
revised Uniform Distributions - Probability
added 3 characters in body
Mar
12
revised How can I write $\frac{1}{(a+x)}$ as an exponential function $y = Ce^{-kx}$?
added 1280 characters in body
Mar
10
revised Finding the distance between two triangles, one inside the other
deleted 1 characters in body
Feb
19
revised Is there an n such that $2^n|n!$?
edited body
Dec
3
revised A method for generating random math problems based on performance
edited tags
Nov
16
revised Why is $1^{\infty}$ considered to be an indeterminate form
added comment about \infty^0
Nov
16
revised Why is $1^{\infty}$ considered to be an indeterminate form
fixed notation
Oct
16
revised Finding $a,b$ such that $a^{n} + b^{n} $ is $(n+1)^{th}$ power
added 548 characters in body
Oct
3
revised An interesting series
deleted 6 characters in body