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mattbaker.blog | ||
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susam.net
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| | | | | [AI summary] An article explains the mathematical relationship between fields and their trivial ideals within ring theory. | |
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nhigham.com
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| | | | | The Cayley-Hamilton Theorem says that a square matrix $LATEX A$ satisfies its characteristic equation, that is $latex p(A) = 0$ where $latex p(t) = \det(tI-A)$ is the characteristic polynomial. This statement is not simply the substitution ``$latex p(A) = \det(A - A) = 0$'', which is not valid since $latex t$ must remain a scalar... | |
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alanrendall.wordpress.com
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| | | | | The theorem of the title is about dividing smooth functions by other smooth functions or, in other words, representing a given smooth function in terms of products of other smooth functions. A large part of the account which follows is based on that in the book 'Normal Forms and Unfoldings for Local Dynamical Systems' by... | |
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glowingpython.blogspot.com
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| | | Lately I've been working a lot with dates in Pandas so I decided to make this little cheatsheet with the commands I use the most. Importin... | ||
