1,835 reputation
37
bio website
location
age
visits member for 2 years, 8 months
seen Feb 10 at 2:34

Sep
18
revised Calculating license plate combinations
Fixed typos
Sep
18
revised Using induction, prove that $\sum_{k=1}^n\frac 1 {(2k-1)(2k+1)}= \frac 12-\frac 1 {4n+2}$ when $n$ is in $\mathbb{N}$
Fixed LaTeX
Sep
18
revised How to understand the answer of this probability problem?
Improved the text, fixed typos
Sep
18
revised MDP quadcopter stabilization
edited tags, fixed latex
Sep
18
revised MDP quadcopter stabilization
edited tags
Sep
18
revised Using the definition of derivative to evaluate $(\sin^2(x))'$
Fixed LaTeX and typos
Sep
17
revised Derivative of $u(x) = x^T x$
Fixed LaTeX
Sep
17
revised Maclaurin expansion of $\arcsin x$
Fixed typos
Sep
17
revised Which is a better measure of uncertainty: standard deviation or resolution uncertainty?
Added update
Sep
17
revised What is the number of positive integers?
Fixed typos
Sep
17
revised Positive definiteness of a matrix
Fixed typos
Sep
16
revised Injective function from $\mathbb{R}^2$ to $\mathbb{R}$?
Fixed title
Sep
16
revised What is a simple formula to interpolate 2 unknowns between 2 knowns?
added 89 characters in body
Sep
16
revised roots of a cubic polynomial
deleted 7 characters in body
Sep
16
revised Function whose graph resembles the shape in this image
Edited text and title, removed any mention of "Electromagnetic Spectrum"
Sep
16
revised Function whose graph resembles the shape in this image
Fixed image link
Sep
14
revised bound the distance of two roots of multivariate polynomial systems
Fixed typos
Sep
13
revised Average Distance Between Random Points on a Line
Fixed typos
Sep
13
revised Average Distance Between Random Points on a Line
added 3 characters in body
Sep
13
revised An autonomous (strange) Cauchy problem
Fixed LaTeX