Transformation of a disc

Assume the disc of uniformed rubber has equation of xx+yy

所有跟帖: 

still the same shape, because it is simply moved. :) -十四哥- 给 十四哥 发送悄悄话 十四哥 的博客首页 (0 bytes) () 11/20/2007 postreply 08:50:40

Sorry. (0,-1) of the disc is fixed. -yma16- 给 yma16 发送悄悄话 (112 bytes) () 11/20/2007 postreply 20:04:26

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