关系图

来源: 2008-12-05 13:49:25 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

瞧瞧那个增得快

直线相关
http://www.dfanning.com/tips/exponent_2.png

指数相关
http://www.algebra.com/cgi-bin/plot-formula.mpl?expression=graph(400%2C300%2C-10%2C10%2C-10%2C10%2C2%5Ex)&x=0003