修改自：[url=https://www.geogebra.org/u/walerijkoschkin]Walerij Koschkin[/url] 的 Mandelbrot set，https://www.geogebra.org/m/UeNMaVQ3

关键参数：[br][br]A1=0.1 + 0.1ί[br]list2={A1}[br]z_{1}=a+b ί[br]l1=迭代列表(pp^(2)+z_{1},pp,list2,360)[br][br][br]迭代列表(pp^(2)+(a+b ί),pp,{0.1 + 0.1ί},n)[br][b]迭代列表(pp^(2)+(z_{1}),pp,{z_{2}},n)[/b]