Normal_Anomaly comments on What Cost for Irrationality? - Less Wrong

59 Post author: Kaj_Sotala 01 July 2010 06:25PM

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Comment author: Normal_Anomaly 05 December 2010 08:09:59PM 2 points [-]

I learned "concave up" like e^x and "concave down" like log x.

Comment author: Manfred 05 December 2010 08:24:52PM 1 point [-]

How in jubbly jibblies did this get voted down? The obvious way to resolve the ambiguity in "convex" and "concave" for functions is to also specify a direction.

Comment author: shokwave 05 December 2010 08:48:28PM 0 points [-]

It might be downvoted because it specifies "concave up" and then "concave down".