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So, i can do things like:
M = units.length.meter
S = units.time.second
speed = 2 * M/S
speed
and get:
2*meter/second
or (in typesetting mode):
\frac{2 \, \mbox{meter}}{\mbox{second}}
I have three problems with this.
1) Sage prints full names - "meter" instead of "m", and "second"
instead of "s".
There's a "dimpy" package that kind of fixes this, but i haven't been
able to coerce it to print correct units in more complex cases (like,
{kJ} over {kG cdot C}).
2) Units are in latin, and i have not been able to find a way to
localize their displaystrings. Dimpy does have set_dispname, but that
doesn't really work well with non-latin strings.
3) Back to typesetting - the value is typeset with 2 in numerator.
That is not how i usually want things to look, usually 2 is separate
and symbolics are in numerator and denominator.
Now, i can easily write anything in LaTeX, and use Sage only for
number crunching (without units of measurement; using symbolics only
for their original, intended purpose), but that means that i will have
type a lot of LaTeX code (one swath of code for each occurrence of a
unit; though i might be able to come up with a shorthand macro for the
most common units) - code that Sage could have been able to generate
automagically. Is that really the only way?
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