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pow计算有误?

我在DolphinDB GUI中计算

pow(0.5,1/42)

得到1,但在python IDLE中计算

>>> 0.5 ** (1/42)
0.98363193244419

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by (71.8m points)

在 DolphinDB 中, 有可能将 1/42 的计算当成整数的计算,
从而得出
1/42 = 0
pow(0.5, 0) = 1

你可以在 DolphinDB 中试试 pow(0.5, 1.0/42)


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