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[cellml-discussion] Dimensional consistency andunitsconversions (was [Fwd: Re: ten Tusscher model])


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  • From: david.nickerson at nus.edu.sg (David Nickerson)
  • Subject: [cellml-discussion] Dimensional consistency andunitsconversions (was [Fwd: Re: ten Tusscher model])
  • Date: Mon, 23 Apr 2007 11:15:27 +0800
> So where does the problem lie? This says that all you supposedly
> dimensionless constants should have units. Does it need to be clearer
> that you are not allowed to simplify them out into dimensionless
> yourself?

yes - I think this is the issue. Also that tools shouldn't simplify them
into dimensionless before doing the multiplication and/or units
consistency checking.

> Also. What does it matter that some software simplifies them out
> before multiplicating them? So long as it checks units consistency
> prior to simplifying them (if it really needs to do that anyway) then
> the result should be the same.

yep - that is the key. The units must be there when an application
checks units consistency.


Andre.


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