j/h-1.2; \
  for (pixel=0.0, (hypot(Xi,Yj) &lt; 2.0) &amp;&amp; (pixel &lt; 1.0), \
    delta=Xi^2-Yj^2; \
    Yj=2.0*Xi*Yj+0.2; \
    Xi=delta+0.4; \
    pixel+=0.00390625 \
  ); \
  pixel == 1.0 ? 0.0 : pixel" \
  \( -size 1x1 xc:white xc:red xc:orange xc:yellow xc:green1 xc:cyan xc:blue \
     xc:blueviolet xc:white -reverse +append -filter Cubic -resize 1024x1! \) \
  -clut -rotate -90 julia-set.png</samp></pre>

<ul>
  <a href="../images/julia-set.png"><img src="../images/julia-set.png" width="160" hei