How do I use the unit per mille in Simulink parameters and ports?
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Andreas Viborg
on 15 Aug 2024 at 9:04
Commented: Fangjun Jiang
on 19 Aug 2024 at 13:34
In simulink parameters and ports can be specified to use units as described here: https://se.mathworks.com/help/simulink/ug/units-in-simulink.html
For dimensionless pure scaled numbers percent (1e-2), ppm (1e-6), ppb (1e-9) and ppt (1e-12) can be used. But is there a way to specify per mille (‰)? Using 0.001 does not work.
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Stephen23
on 16 Aug 2024 at 17:02
Edited: Stephen23
on 16 Aug 2024 at 17:07
ppk would be the logical abbreviation, given that m and t are already in use (million and trillion respectively), but sadly this is not in common usage (and more specifically not used by MATLAB). Even though pro mille is commonly used by other european languages pro mille seems to be rarely used in English: perhaps this is why there is no common abbreviation for it.
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Fangjun Jiang
on 16 Aug 2024 at 14:47
It is "m" for "milli".
"mille" means "a thousand", that is "k" for "kilo".
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Fangjun Jiang
on 19 Aug 2024 at 13:34
IMHO, it is the same.
per mille is unit-less. Its value is 0.001.
milli is unit-less. Its value is 0.001.
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