Thanks Oscar, that works. I can see why the current output is preferred by many, but the SI base units output is still useful for learners of Physics. My learners are young, so I hope there could be an easier way to achieve this.
On Tuesday, 29 November 2022 at 01:55:20 UTC+11 Oscar wrote: > On Sat, 26 Nov 2022 at 07:13, Teo <[email protected]> wrote: > > > > Hi all. I just started using Sympy this week. According to this video, > when the following code was run, the units of ohm would be returned in SI > base units. > > > > import sympy.physics.units as u > > u.ohm > > > > However, when I tried, I got the symbol omega instead. Is there a method > to obtain the same SI base units (kgm^2)/(A^2s^3)? > > You can do it like this: > > In [1]: import sympy.physics.units as u > > In [3]: u.convert_to(u.ohm, [u.kg,u.m,u.ampere,u.s]) > Out[3]: > 2 > kilogram⋅meter > ─────────────── > 2 3 > ampere ⋅second > > Probably there should be an easier way. It's also possible like this: > > In [4]: u.convert_to(u.ohm, u.si.SI._base_units) > Out[4]: > 2 > kilogram⋅meter > ─────────────── > 2 3 > ampere ⋅second > > In [5]: u.si.SI._base_units > Out[5]: (meter, kilogram, second, ampere, mole, candela, kelvin) > > That's using _base_units which has a leading underscore indicating > that it should be considered "private". I don't see why it should be > considered private though... > > Oscar > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/6a36739e-687e-41db-b57d-c26df64c241en%40googlegroups.com.
