應該是無定義,微分不存在。他倆碰到一塊的後果是不可預計。
好象不對,如果是無關變量的話
所有跟帖:
• Sorry I was wrong -SwiperTheFox- ♂ (0 bytes) () 04/14/2010 postreply 13:40:21
• Sorry I was wrong -SwiperTheFox- ♂ (0 bytes) () 04/14/2010 postreply 13:40:21
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