concave downward 中文意思是什麼
concave downward
解釋
凹向下的-
Find the critical number, point of inflection, relative extrema, increasing or decreasing interval, concave upward or downward interval of the function
找出此函數的端點,反曲點,相對極值,遞增或遞減區間,凹向上或凹向下的區間。
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