Astronomers are rethinking one of cosmology’s biggest mysteries: dark energy. New findings show that evolving dark energy models, tied to ultra-light axion particles, may better fit the universe’s ...
If a piecewise constant function is integrated, the result is okay, if 2 integrals are nested, that's okay too, but 3 times the result is 'nan' which it shouldn't be: from sympy import * a1, a2, a3 = ...
@YaqiWang reports that elemental data such as extra element integers, when output in the presence of p refinement, is also getting p-refined, and our default choice of how to decimate non-constant ...
It's fun to think about the fundamental physical constants. These are special values used in our models of the physical universe. They include things like the speed of light, the gravitational ...
Constant currency reporting adjusts revenue and earnings to negate exchange rate effects. Many companies present constant currency data with GAAP results for clearer comparison. Understanding both ...
Dr. James McCaffrey from Microsoft Research presents a complete end-to-end demonstration of Nadaraya-Watson kernel regression using the C# language. NW kernel regression is simple to implement and is ...
Mathematicians attended Roger Apéry’s lecture at a French National Center for Scientific Research conference in June 1978 with a great deal of skepticism. The presentation was entitled “On the ...
PITTSBURGH — What is this Montreal Canadiens season really about? If you answered “being in the mix,” you get a big X because it’s not that. There is a way for this Canadiens season to be a success ...
Prior to PILOT, fitting linear model trees was slow and prone to overfitting, especially with large datasets. Traditional regression trees struggled to capture linear relationships effectively. Linear ...
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