10,513 reputation
22253
bio website gottwurfelt.wordpress.com
location Atlanta, GA
age 31
visits member for 4 years, 6 months
seen 3 hours ago

Data scientist and math blogger.


2d
reviewed Close $ \exists c \in( a, b) \text{ such that } f(c)=\max\limits_{x \in [a, b]} f (x) $
2d
reviewed Close Vague predicates in standard predicate logic
2d
reviewed Close to find the determinant of a matrix given the roots of an equation
2d
reviewed Close Challenging Mathematical Problem of Solid Angle by H.C. Rajpoot
2d
reviewed Leave Open 4 lone women, 7 roses and 5 “Different” delicious cookies.
Jan
23
reviewed Leave Open how to prove: $\sum\limits_{k=1}^n k\binom{n}{k}=n \cdot 2^{n-1} $
Jan
23
reviewed Close How to find the formula of S3n?
Jan
23
reviewed Close Properties for functions $f:[a,b] \to \mathbb R$?
Jan
23
reviewed Close Let $w=1+3i$. Investigate whether $|iw+w|=|iw|+|w|$.
Jan
23
reviewed Leave Open Probability of a m-long cycle
Jan
23
reviewed Close Find out students
Jan
23
reviewed Close Leontief Input-Output Analysis demand given - econmic model!
Jan
23
reviewed Close $Ax+By+Cz=D \text { has a solution iff } \gcd(\gcd(A,B),C)\mid D$
Jan
23
reviewed Close Find the sum of the series $\sum \limits_{n=1}^{\infty} \frac{2^{-n}(n+3)}{(n+1)(n+2)}$
Jan
15
reviewed Leave Open Find the value of the integral $\int_{-\infty}^{\infty} \frac{1}{1+(a-y)^2} \frac{1}{1+y^2} dy$
Jan
15
reviewed Leave Open Find range of values for function to be onto
Jan
15
reviewed Leave Open Question about equivalent equations
Jan
15
reviewed Leave Open Find a quartic (degree 4) polynomial with integer coefficients whose roots are the primitive 12th roots of unity
Jan
15
reviewed Close embedding projective plane in 4-space?
Jan
15
reviewed Close How do I prove $N(aHa^{-1})= aN(H)a^{-1}$