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www.mscroggs.co.uk | ||
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funloop.org
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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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www.johndcook.com
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| | | | | There is a conformal map between any two simply connected open proper subsets of the complex plane. This means, for example, there is a one-to-one analytic map from the interior of a square onto the interior of a a circle. Or from the interior of a triangle onto the interior of a pentagon. Or from [...] The post Rectangles to Rectangles first appeared on John D. Cook. | |
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rasbt.github.io
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| | | A library consisting of useful tools and extensions for the day-to-day data science tasks. | ||