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TikZ负数无法立方根

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hbghlyj Posted 2024-4-7 02:05 |Read mode
pgf/TikZ中负数的立方根无定义tex.stackexchange.com/questions/582700/
能否用declare function={cbrt(\x) = sign(\x)*abs(\x)^(1/3);}补充定义“实数立方根”函数?

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 Author| hbghlyj Posted 2024-4-7 02:08
hbghlyj 发表于 2024-4-6 18:05
补充定义“实数立方根”函数?
做好了:

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学习鸟😊  Posted 2024-4-7 13:42

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