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15
Math.TechQA.Club
2026-03-26 08:02:40
11
Views
Given descriptive stats for two sets $(x_1,y_1)$ and $(x_2, y_2)$, can $\rho^2$ be found for their union $(\{x_1 \cup x_2\}, \{y_1 \cup y_2\})$?
Published on
26 Mar 2026 - 8:02
#elementary-set-theory
#correlation
#descriptive-statistics
11
Views
To show that an intersection of sets has a unique point
Published on
26 Feb 2026 - 17:13
#metric-spaces
11
Views
Regarding conditions required and specific topology to be induced on borel sets to define a specific measure
Published on
21 Mar 2026 - 12:48
#real-analysis
#measure-theory
#borel-sets
11
Views
Is there terminology around a bivariate function that is dependent on only one of its two arguments?
Published on
25 Mar 2026 - 4:40
#terminology
#independence
#bivariate-distributions
11
Views
$B=((b_{ij}))$ where $b_{ij}=1 \, \forall i,j$ and $A=(a-b)i_n+bB$ Prove that $|A|=(a-b)^{n-1}[a+(n-1)b]$
Published on
30 Mar 2026 - 10:42
#matrices
#determinant
11
Views
The iteration,which is only locall convergent,does it has at least 2 fixed point?
Published on
25 Mar 2026 - 4:40
#analysis
#numerical-calculus
11
Views
Determine simpler form of set characteristic
Published on
26 Feb 2026 - 18:51
#real-analysis
12
Views
Can someone verify or propose an alternate solution
Published on
17 Mar 2026 - 21:16
#solution-verification
#modular-arithmetic
12
Views
Why does an integer x have an inverse y if and only if x is coprime to n where x*y=1 (mod n)?
Published on
21 Dec 2022 - 18:15
#elementary-number-theory
#solution-verification
#modular-arithmetic
12
Views
What is the occupation measure for constrained risk-averse markov decision processes with only expectation constraints (no risk constraints)?
Published on
26 Feb 2026 - 18:49
#optimization
#stochastic-processes
#risk-assessment
12
Views
Let $u$ be the first Dirichlet eigenfunction, does there exist $\epsilon,\delta>0$ such that $|\nabla u(x)|\geq\epsilon$ for any $x$ st $u(x)<\delta$
Published on
26 Feb 2026 - 18:46
#analysis
#eigenfunctions
12
Views
Construction of a special diffeomorphism with some special properties
Published on
27 Mar 2026 - 14:51
#functions
#smooth-functions
#diffeomorphism
12
Views
Why are these numbers are an inferential and a descriptive statistic?
Published on
26 Feb 2026 - 20:38
#statistical-inference
#descriptive-statistics
12
Views
Simultaneous reduction to pseudo-permutations
Published on
26 Feb 2026 - 20:37
#linear-algebra
#similar-matrices
12
Views
Integrability of $F(x) = \int_0^1 f(k) \exp(i g(k) x) dk$ when $g(k)$ has poles
Published on
26 Feb 2026 - 20:42
#integration
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