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Took me a minute. (lemmy.dbzer0.com)
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[-] Ragdoll_X@lemmy.world 42 points 1 year ago* (last edited 1 year ago)

I was a bit disappointed to learn that math-related Python packages don't seem to have an ln function. They all use log for the natural log and also have a log10.

[-] Afrazzle@sh.itjust.works 21 points 1 year ago

Base e is considered the natural logarithm and is what you'll get if you call log in most programming languages targeted at math.

[-] Redex68@lemmy.world 3 points 1 year ago

Why is that, off the top of my head I don't remember seeing base e logarithms too often, why are they so important?

[-] LaLiLuLuCo@lemmy.ca 4 points 1 year ago* (last edited 1 year ago)

They get used all over especially in differential equations.

Log10 basically only comes up in statistics for doing a log plot in base 10.

Basically high school math won't use the natural log much, but once you hit university higher level math it becomes apparent it's the one everyone actually uses regularly.

[-] janAkali@lemmy.one 10 points 1 year ago

You know what's even more dissapointing? bc - arbitrary precision calculator for linux shell uses 'l' for natural log, just a single letter.
And there's no other log function, so when you need logx(y) you write: ''l(y)/l(x)".

[-] EveryMuffinIsNowEncrypted 6 points 1 year ago

Well that's annoying..

[-] Ozzy@lemmy.ml 6 points 1 year ago

even Matlab suffers from this

[-] vivadanang@lemm.ee 7 points 1 year ago
[-] Ozzy@lemmy.ml 2 points 1 year ago

Yes? Suffer -> Suffering / Suffers ? Is this not correct?

[-] NightAuthor@lemmy.world 5 points 1 year ago

Make your own package, or just macro that shit.

[-] WilloftheWest@feddit.uk 4 points 1 year ago

That’s because mathematicians use log for the natural logarithm. Log base 10 would be log_10

[-] 0_0j@lemmy.world 20 points 1 year ago
[-] mkwarman@lemmy.mkwarman.com 95 points 1 year ago* (last edited 1 year ago)

"ln(x)" is another way of writing log sub e of x https://en.m.wikipedia.org/wiki/Natural_logarithm

The "ln" of the "you son of a bitch. I'm ln" is referencing that identity

[-] 0_0j@lemmy.world 7 points 1 year ago

Wow, i just lost some brain cells for this 🤣

[-] bankimu@lemm.ee 2 points 1 year ago

Or it is just idiotic.

[-] OrteilGenou@lemmy.world 5 points 1 year ago

ln you a hand

this post was submitted on 17 Sep 2023
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