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15
Math.TechQA.Club
2026-03-20 23:43:21
19
Views
Choose $x$ such that $\int_{[0,\:1)^2}|\frac1{\sigma^2(x)}\exp\left(-\left(r\frac{\|x-y\|}{\sigma(x)}\right)^2\right)-p(y)|\:{\rm d}y$ is minimized
Published on
20 Mar 2026 - 23:43
#measure-theory
#numerical-methods
#exponential-function
#numerical-optimization
#gradient-descent
19
Views
Finding density plot for histogram
Published on
29 Mar 2026 - 20:26
#probability
#statistics
#graphing-functions
19
Views
Binary negated graph
Published on
24 Mar 2023 - 12:11
#graph-theory
19
Views
Can you use the weierstrass approximation theorem to show the convergence of fourier series to its function?
Published on
23 Feb 2026 - 8:33
#fourier-series
#weierstrass-approximation
19
Views
Limit comparison proof for series, question about a step
Published on
29 Mar 2026 - 20:27
#real-analysis
19
Views
If $d(x,B)\leq t_1+t_2$ then $d(x,B^{t_1})\leq t_2$ when $B^{t_1}:=\{x:d(x,B)\leq t_1\}$
Published on
29 Mar 2026 - 20:21
#geometry
#inequality
#metric-spaces
19
Views
What are the $\mathcal{M}_{sym}=\{E \operatorname{Lebesgue measurable and } E=-E \}$ measurable functions?
Published on
22 Mar 2023 - 0:26
#real-analysis
#functional-analysis
#measure-theory
#hilbert-spaces
19
Views
Representing $G=\text{GL}^+(2,\mathbf R)$ as the matrix product $G=TH$. If $H=\text{SO}(2)$, what is $T$?
Published on
29 Mar 2026 - 20:23
#group-theory
19
Views
Indices without a given domain in sum notation.
Published on
25 Mar 2026 - 7:47
#matrices
#systems-of-equations
#matrix-equations
#kronecker-delta
19
Views
$ \frac{1}{t_n} \int_0^{t_n} e^{2 \pi i h f(x)} \, dx \to 0$ if $ \frac{1}{n} \int_0^n e^{2 \pi i h f(x)} \, dx \to 0 $
Published on
20 Mar 2023 - 8:54
#integration
#sequences-and-series
#analysis
19
Views
Gauge-equivalnt fields
Published on
29 Mar 2026 - 20:26
#calculus
#vector-spaces
#vector-fields
19
Views
Calculate column rank of a matrix
Published on
29 Mar 2026 - 20:20
#linear-algebra
#matrices
#matrix-equations
19
Views
Whats is the interpretation of eigvectors * Covariance Matrix * eigenvetors.T? Where the eigen vectors of A.T*A.
Published on
29 Mar 2026 - 20:21
#linear-algebra
#eigenvalues-eigenvectors
#covariance
19
Views
Type transmutation of von Neumann factors
Published on
28 Mar 2026 - 4:34
#von-neumann-algebras
19
Views
Describing the everting motion of cylinders and Mobius bands.
Published on
29 Mar 2026 - 20:21
#differential-geometry
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