以下是要在R:中编码的内容
sum_{n=1}^{10}\left
对于purrr
,我会说这样的话:
sum(map_dbl(1:10, fun(x) 2^x/^2+x^4/4^x)
以下是要在R:中编码的内容
sum_{n=1}^{10}\left
对于purrr
,我会说这样的话:
sum(map_dbl(1:10, fun(x) 2^x/^2+x^4/4^x)
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