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rquirt

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When a variable has a value of 0.0 it lo...

rquirt 85 Maple
convert units
February 20 2019
1 1

when a variable has a value of 0.0 it seems to lose its units.

with(Units:-Standard):

temp := 0.*Unit('degC');
                           temp := 0.
convert(temp, temperature, kelvin);
Error, (in convert/temperature) insufficient information for a temperature conversion
 
temp := 0.1e-1*Unit('degC');
                   temp := 0.01 Unit(°C)
 
Is this true?  How are you supposed to do calculations for example at 0.0 C?
 
convert(temp, temperature, kelvin);
                      273.1600000 Unit(K)

Problems with units in fsolve...

rquirt 85 Maple
August 10 2017
1 2

I am new to Maple and I am trying to add units to the "Flow Through an Expansion Valve" Application Demonstration.  I was trying pressure in [PSI], temperature in [degC] and flow rate in [kg/hour] everything else in SI units.  I included with(Units:-Standard) but had no luck with the fsolve function.

Any chance someone could make a version of this demonstration applicaton that includes units?

 

Thanks

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