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8:00 AM
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Q: Could somebody help me to find a post?

Claude LeiboviciOn Saturday, I started working an interesting problem. The post did not receive any answer, it is old and the problem was around the function $$\large e^{-\log ^2\left(3 x-\frac{3}{2}\right)}$$ My computer crashed and I am unable to find the post again even using Approach0 (I do not remember how ...

The OP mentions that there was a plot. Would perhaps restriction to posts containing the URL imgur.com help restrict the search results?
 
8:32 AM
Do you remember which tags the question had? — Martin R 16 hours ago
@MartinR. Probably approximation — Claude Leibovici 15 hours ago
This is what I get from SEDE as recent deleted question tagged : data.stackexchange.com/math/query/968721/…
I do not see there anything similar to the description in the question on meta.
 
 
11 hours later…
7:31 PM
3
A: Could somebody help me to find a post?

Matthew TowersI think this is the question you are looking for: Approximate a known function by a sum of real power function Similarities: There is a plot. There are no answers. The interval is $[1/2, 2]$. The function matches exactly. It's from 2021, not that long ago but not new either. It has the approxima...

1
Q: Approximate a known function by a sum of real power function

NN2Given a known function $f(x):[a,b]\to \mathbb{R}$. (For example, $f(x) = e^{-\ln^2 \left(3x-\frac{3}{2} \right)} \mathbb{I}_{\{\frac{1}{2}<x<2\}} $ over the support $[a,b] = \left[\frac{1}{2} ; 2 \right] $) I want to approximate the function $f(x)$, over its support $[a,b]$, by a sum of piecewi...

 

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