这题给数学人

１维球体积 = ２r

２维球体积 = pi*r^2

３维球体积 = (4/3)*pi*r^3

４维球体积 = (pi^2 * r^4) /2

。。。

n维球体积公式是什么？

所有跟帖： 

• http://en.wikipedia.org/wiki/Unit_sphere -haha2000- ♂ (0 bytes) () 02/21/2007 postreply 11:06:33

• If you want to compute it by hand -haha2000- ♂ (634 bytes) () 02/21/2007 postreply 12:15:16

• Thanks! -Commentate- ♂ (0 bytes) () 02/21/2007 postreply 13:15:21

• Welcome! -haha2000- ♂ (23 bytes) () 02/21/2007 postreply 15:30:38

• 回复：Welcome! -Commentate- ♂ (12 bytes) () 02/22/2007 postreply 06:30:23