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Results tagged with hermite-polynomials
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user 140470
3
votes
0
answers
239
views
Lower bound on coefficients in hermite transform of Tanh
I would like to understand $L^2\left(\mathbb{R}, \mu\right)$ approximation by polynomials of $\tanh$ (and more generally smooth functions), where $\mu$ is standard gaussian distribution. This leads to …
2
votes
1
answer
411
views
Hermite Transform of Tanh
I would like to understand $L^2(\mathbb{R},\mu)$ approximation by polynomials of $\tanh$ up to degree $n$ where $\mu$ is the standard Gaussian distribution. This leads to considering the Hermite expan …