Find answers to your questions about Mathematics or help others by answering their Mathematics questions.
I am trying to derive a simplified expression of something requiring some linear algebra. I have gotten the stage below: $$G = frac{mathbf{1}^H mathbf{A}^{-1} mathbf{B} mathbf{A}^{-1} mathbf{1}}{mathbf{1}^H mathbf{A}^{-1}mathbf{1}}$$...
Asked on 12/20/2021 by David Carey
1 answerWe know that Kolmogorov complexity has connections to mathematical logic since it can be used to prove the Gödel incompleteness results (Chaitin's Theorem and Kritchman-Raz). Are there...
Asked on 12/20/2021
1 answerI am studying statistics, and I read that when the estimator is complete and sufficient, then that estimator is MVUE and unique. I think if the estimator is incomplete...
Asked on 12/20/2021 by Block Jeong
2 answerI'm a pure math PhD specialized in hyperbolic topology, doing a research postdoc right now which ends in August of 2018. So I'll be starting to apply for my next...
Asked on 12/20/2021 by j0equ1nn
3 answerLet $f: mathbb{R}^2to mathbb{R}^2$ given by $f(x, y) = (e^x cos y, e^x sin y)$. Take $S$ to be the set $S = [0, 1]times [0, pi]$. (a) Calculate $Df$...
Asked on 12/20/2021 by user482152
3 answerLet $(X, mathcal X, mu)$ be a probability space and $T:Xto X$ be an invertible measure preserving transformation. We get a unitary operator $U_T:L^2_muto L^2_mu$ which takes...
Asked on 12/20/2021 by caffeinemachine
1 answerShow that $$(2^a-1)(2^b-1)=2^{2^c}+1$$ doesn't have solution in positive integers $a$, $b$, and $c$.After expansion I got $$2^{a+b}-2^a-2^b=2^{2^c},.$$ Any hint will be appreciated....
Asked on 12/20/2021 by rashed a564
2 answerLet $a,bin+mathbb Z$ such that $dfrac{a^2+b^2}{ab+1}=k.$ Prove that $k$ is the square of an integer when $$a^2+b^2$$ is divisible by $ab+1$. Soln. For $k$...
Asked on 12/20/2021
0 answerHow to derive ${ A vdash C }$ from ${A lor B vdash C}$ in the sequent calculus LK? It seems obvious that if ${A lor...
Asked on 12/20/2021 by Julja Muvv
1 answerIn a regular $n$-gon, we are allowed to connect any pair of non-adjacent points by a continuous curve. The curve cannot intersect any other curve or side except at...
Asked on 12/20/2021
2 answerGet help from others!
Recent Answers
Recent Questions
© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP