Christmas tree

Christmas tree

A Christmas tree plot. This code was written by Jake on TeX.SE. \documentclass[border=10pt]{standalone} \usepackage{pgfplots} \pgfplotsset{width=7cm,compat=1.8} \begin{document} \begin{tikzpicture} \begin{axis}[ hide axis, clip=false, y domain=0:2*pi, samples=30,axis equal,…

Fourier transform

Fourier transform

A time-frequency correspondence illustration of the Fourier transform. This code was written by Jake on TeX.SE. \documentclass[border=10pt]{standalone} \usepackage{pgfplots} \pgfplotsset{width=7cm,compat=1.6} \begin{document} \begin{tikzpicture} \begin{axis}[ set layers=standard, domain=0:10,…