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totallydisconnected.wordpress.com
| | dominiczypen.wordpress.com

Suppose you want to have a graph $latex G = (V,E)$ with chromatic number $latex \chi(G)$ equaling some value $latex k$, such that $latex G$ is minimal with this property. So you end up with a $latex k$-(vertex-)critical graph. It is easy to construct critical graphs by starting with some easy-to-verify example like $latex C_5$...
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| | mathematicaloddsandends.wordpress.com

The function $latex f(x) = x \log x$ occurs in various places across math/statistics/machine learning (e.g. in the definition of entropy), and I thought I'd put a list of properties of the function here that I've found useful. Here is a plot of the function: $latex f$ is defined on $latex (0, \infty)$. The only...
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| | mmph.wordpress.com

The recent post on cloud computing and Google Docs made me ask myself whether Google Docs supports (La)TeX. It turned out you can insert LaTeX equations into your Google doc (as discussed in more detail e.g. here) but that's that for now. There exists a LaTeX Lab project aspiring to develop a web-based LaTeX editor...
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| | zaries.wordpress.com

Since 2007 when I started using Ubuntu I have been doing upgrades to the latest version a month before the release. Yes I am a sucker for pain. After the upgrade to 19.04 today I had issues loading projects that used cl-ssl getting the following error: Unable to load any of the alternatives: ("libssl.so.1.0.2m" "libssl.so.1.0.2k"...
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