Blurred curve

Blurred curve

\documentclass[border=10pt]{standalone}
\usepackage{textgreek}
\usepackage[inline]{asymptote}
\usepackage{lmodern}
\begin{document}
\begin{asy}
size(200);
import graph;
pair[] botP={(0,0.09),(0.252,0.196),(0.383,0.429),(0.479,0.588),
(0.574,0.668),(0.733,0.726),(0.883,0.747),(1,0.747),};
pair[] topP={(0,0.341),(0.252,0.451),(0.383,0.677),(0.479,0.841),
(0.574,0.92),(0.733,0.977),(0.883,0.993),(1,1),};
pair[] midP=0.5*(topP+botP);
guide gtop=graph(topP,operator..);
guide gbot=graph(botP,operator..);
guide gmid=graph(midP,operator..);
real f(real x){
real t=times(gmid,x)[0];
return point(gmid,t).y;
};
real s(real x){
real tt=times(gtop,x)[0];
real tb=times(gbot,x)[0];
return point(gtop,tt).y-point(gbot,tb).y;
};
real xmin=0, xmax=1;
pen[] clrs={
rgb(0.988,0.847,0.796),
rgb(0.969,0.592,0.502),
rgb(0.953,0.365,0.29),
rgb(0.933,0.188,0.165),
rgb(0.933,0.114,0.137),
};
 
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Source: TeX.SE

Author: g.kov (License)