椭圆螺旋面[Elliptic Helicoid] - 达人(其实～我是卧底，来自外星)

2005/02/16 | 椭圆螺旋面[Elliptic Helicoid]
类别(∑〖数学〗) | 评论(0) | 阅读(28) | 发表于 13:12: <APPLET CODE="http://mathworld.wolfram.com/Live.class" CODEBASE="live" ARCHIVE="http://mathworld.wolfram.com/live.jar" ALIGN=MIDDLE WIDTH=300 HEIGHT=300 ALT="Elliptic helicoid"> <PARAM NAME="input_file" VALUE="http://mathworld.wolfram.com/ellhel.m"> <PARAM NAME="input_archive" VALUE="http://mathworld.wolfram.com/zip/ellhel.zip">
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A generalization of the helicoid to the parametric equations; 0