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Incompatible units?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg97761] Incompatible units?
  • From: Mathias Lindner <mathias.lindner at web.de>
  • Date: Fri, 20 Mar 2009 02:43:42 -0500 (EST)

Hi

Today I struggled with the units package - again...

Let me show you what I did:

    Dynamic[Subscript[\[Tau], p]]
    Subscript[l, case]
    \[Lambda] = \Convert[Subscript[l, case]/Dynamic[Subscript[\[Tau], p]], 1]

This input results in:

    27.4889 Meter Milli
    281 Meter Milli

    Convert::incomp : Incompatible units in (281 Meter Milli)/(27.4889 Meter Milli) and 1.
    (281 Meter Milli)/(27.4889 Meter Milli)

If I don't use dynamic but constant tau_p everything is fine...
So Mathematica isn't able to to reduce this fraction? What's the reason for this behaviour and what can I do about it?

Thanks for your help!

Mathias


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