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2Â¥: Originally posted by pippi6 at 2014-12-18 10:19:58
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3Â¥2014-12-18 10:35:35
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shoppingcx(feixiaolin´ú·¢): ½ð±Ò+10 2014-12-18 14:10:47
http://math.stackexchange.com/qu ... ndrical-coordinates

H =L+N2 =(¦Ñ ϑϑ −¦Ñ)¦Ñ+2¦Ñ 2 ϑ +¦Ñ¦Ñ zz / (2¦Ñ 2 (1+¦Ñ 2 z )+2¦Ñ 2 ϑ )
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4Â¥2014-12-18 12:12:54
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4Â¥: Originally posted by zaq123321 at 2014-12-18 12:12:54
http://math.stackexchange.com/questions/153371/how-do-i-compute-mean-curvature-in-cylindrical-coordinates

H =L+N2 =(¦Ñ ϑϑ −¦Ñ)¦Ñ+2¦Ñ 2 ϑ +¦Ñ¦Ñ zz / (2¦Ñ 2 (1+¦Ñ 2 z )+2¦Ñ 2 &# ...

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