Neuron
Single artificial neuron / perceptron with weighted inputs and one output.
| id | neuron |
|---|---|
| type | |
| domain | ml |
| requires | tikz, arrows.meta |
| license | CC0-1.0 |
| author | OpenTikZ contributors |
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neuron.tex
\documentclass[border=4pt]{standalone}
% --- packages (mirror these in neuron.meta.json "requires") ---
\usepackage{tikz}
\usetikzlibrary{arrows.meta}
% --- palette (canonical source: reference/color-palettes/color-palettes.md; light variant) ---
\definecolor{otblue}{HTML}{0072B2}
\definecolor{otorange}{HTML}{E69F00}
\definecolor{otteal}{HTML}{009E73}
\definecolor{otpurple}{HTML}{CC79A7}
\definecolor{otgray}{HTML}{5A5A5A}
\begin{document}
\begin{tikzpicture}[line width=0.9pt, >={Stealth[length=2.2mm]}]
% soma
\node[circle, draw=otblue!75!black, fill=otblue!18, minimum size=1.15cm, inner sep=0] (soma) at (0,0) {};
% weighted inputs (dendrites)
\foreach \y in {0.75, 0, -0.75}{
\draw[->, draw=otgray!75] (-1.7,\y) -- (soma);
}
% output (axon)
\draw[->, draw=otgray!75] (soma) -- (1.7,0);
\end{tikzpicture}
\end{document}
Use it
The file compiles on its own (\documentclass{standalone}).
Drop it into your project and \input it, or copy the
tikzpicture into your figure. Colours come from the shared
palette defined in the preamble — edit those named colours, not raw hex.
Graphic content is CC0 1.0 (public domain) — reuse freely, no attribution required.