MaplePrimes - answers and comments on Question, Plotting functions including units

combine,units

acer — Thu, 07 Feb 2013 02:00:53 Z

Here's one way, without changing your defns for `dist` and `v`. (This is 1D input, but you should be able to do it in 2D input as well.)

restart:

v:=3.9*Unit(km/h):
dist:=t->v*t;

plot( combine(dist(t*Unit(s)),units), t = 0*Unit(s)..3*Unit(s));

acer

By simplify

Markiyan Hirnyk — Thu, 07 Feb 2013 02:03:33 Z

It can be done as follows.

Download simplify.mw

Adjustment

Markiyan Hirnyk — Thu, 07 Feb 2013 02:15:17 Z

> restart;
> with(Units):
> v := 3.9*Unit('km'/'h');

> dist := proc (t) options operator, arrow; v*t end proc;
t -> v t
> simplify(dist(t*Unit('s')));

1.083333333 t Units:-Unit('m')
> plot(simplify(dist(t*Unit('s'))), t = 0*Unit('s') .. 3*Unit('s'));