Re: root function

by igelkott (Priest)

on Jun 22, 2008 at 00:55 UTC ( [id://693328]=note: print w/replies, xml )

Need Help??

calculate the root

Besides the suggested home-made functions, you could also try pow in the POSIX module.

Comment on Re: root function

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Re^2: root function by ikegami (Patriarch) on Jun 22, 2008 at 04:31 UTC
Either you're calling `` a home-made function, or they're just as needed for `pow` as for ``.	[reply] [d/l] [select]
Re^3: root function by igelkott (Priest) on Jun 22, 2008 at 09:25 UTC
calling * a home-made function* I wouldn't call the `**` operator a "function" at all. ;-) I didn't mean anything wrong by home-made but just tried to answer the op literally with an alternative solution. Nothing too serious.	[reply] [d/l]
Re^4: root function by ikegami (Patriarch) on Jun 22, 2008 at 15:19 UTC
You apparently missed my point: Your solution has the same problems as `**`: `>perl -le"use POSIX qw( pow ); print pow(-3, 1/3); -1.#IND` [download]	[reply] [d/l] [select]

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