|
![](/i/fill.gif) |
>> Surely that's all just arithmetic though? Once you know the
>> mathematical formulas involved, it's a simple case of plugging the
>> numbers in and getting the answers out. It's not like you're trying to
>> derive an approximation to the Gamma function or anything...
>
> Yes, but you have to find the formulas first. Suppose you need to
> account for a non-linearity in the system you're controlling to get
> precise positioning. Say, for the sake of example there's no way to get
> around the non-linearity. Also, for arguments sake, lets say the
> designer doesn't have a fancy cad application available, so can't just
> give you a formula.
The chances of not having "fancy CAD software" available and yet having
a sophisticated and highly niche product like Mathematica seem rather
tiny...
>> In other news... when's the last time anybody used a ruler in their
>> day job?
>
> I've used a tape measure on numerous occasions. I've also used a small
> ruler clamped to a bar of a known length to find scaling factors for a
> machine.
A ruler for measuring things I can believe. But for drawing straight
lines...? I doubt it. ;-)
Post a reply to this message
|
![](/i/fill.gif) |