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 sciencefictionruminations.com
If, June 1954 | Science Fiction and Other Suspect Ruminations
| | relativitydigest.com
New Cosmology Paper - Relativity Digest
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| | New #cosmology paper: https://arxiv.org/pdf/1609.01310.pdf Using a dynamical systems approach to provide a unifying framework for the AdS, Minkowski, and de Sitter universes. #physics #mathematics #science
| | jillsbookcafe.blog
2021 Additions - Jill's Book Cafe
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| | eastgermancinema.com
martin2 - East German Cinema Blog
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| | A Blog About the Films of East Germany
| | relativitydigest.com
Deriving Least Squares Coefficients Using Tensor/Index Notation - Relativity Digest
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| Many textbooks when introducing ordinary least squares as a method to do regression (usually via introducing linear regression) don't explain / derive the coefficients. Here, I explain how to do it using tensor/index notation. https://www.youtube.com/watch?v=x0RK6AJPuz4&t=4s