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I have a closed shape represented by N points in a 2D space, and I know for sure that the points have some sort of symmetry. Given the N points,...
Asked on 12/03/2021
1 answerLet $H^{2}(0, 2pi)$ and $L^{2}(0, 2pi)$ be standard notation for the well-known functional spaces. Prove $$D(A):= {win H^{2}(0, 2pi): w(0) = w(2pi), w^{'}(0) = w^{'}(2pi) }; is;...
Asked on 12/03/2021 by John M-D94
0 answerQ. $A$ is greater than $B$ by $25text{%}$ then by what percentage $B$ is less than $A$ ?my approach: $A$ is greater than ...
Asked on 12/03/2021 by user809080
4 answerConsider the $f:mathbb{R}^2 mapsto mathbb{R}$ defined by $$f(x,y) = frac{xy(x^2-y^2)}{x^2+y^2}$$ for $(x,y) neq (0,0)$ and $f(0,0)=0$. Show that f $in C^1(mathbb{R}^2), f not in C^2(mathbb{R}^2)$.To...
Asked on 12/03/2021 by learning_linalg
1 answerI mean, for two positive operator $a,b$ with norm $1$, is there still always a positive $c$ such that $a,bleq c$ and $|c|=1$?Suppose it...
Asked on 12/03/2021 by Sui
1 answerThe OR represents the odds that an outcome will occur given a particular exposure, this is very analogous to the concept of conditional probability except that the formula for conditional...
Asked on 12/03/2021 by Malzahar
0 answerIt can be found here a proof of Stone-Weierstrass Theorem through Hahn-Banach theorem (hyperplane separation of convex sets). I find one line in the proof difficult to...
Asked on 12/03/2021
1 answerLet $G$ be a finite group into the field $mathbb{C}$, then the number of irreducible characters of $G$ is equal to the number of conjugacy classes of...
Asked on 12/03/2021
0 answerSuppose we have $226$ points in a $4$ by $4$ square. We have to find a number $d$ such that there are at least two points...
Asked on 12/03/2021 by User8976
0 answerI notice that an affine open subscheme $X = operatorname{Spec} R$ of an affine scheme $Y = operatorname{Spec} S$ has the property that any ring hom $Srightarrow...
Asked on 12/03/2021
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