saddle point's also a turning point, concave vs convex

本帖于 2024-07-30 10:52:43 时间, 由版主 移花接木 编辑
回答: APAD: Even at the turning of the tide7grizzly2024-07-30 08:41:12

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You must be good at timing the market :-) -7grizzly- 给 7grizzly 发送悄悄话 7grizzly 的博客首页 (0 bytes) () 07/30/2024 postreply 14:36:21

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