Machine Learning

The Sigmoid and its Derivative

The simoid function, $\sigma(x)$, is also called the logistic function, or expit \textcite{wiki_logit}. It is the inverse of the logit function. It’s function definition is:\begin{equation}\sigma(x) = \frac{1}{(1+e^{-x})}%\tag{sigmoid function}\label{eqn:sigmoid}\end{equation} Let’s get […]

Machine Learning

What is a Logit?

The term logit has different meanings in math and in the TensorFlow library. In Ten-sorFlow it means “Per-label activations, typically a linear output. These activation energies are interpreted as unnormalized

Network Analysis

networking ubuntu

Just a bunch of handy commands How to clear dns cache: sudo systemd-resolve –flush-caches How to check cache: sudo systemd-resolve –statistics How to view dns cache content sudo pkill -USR1

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