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piecewise function error when calling it

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i defined a piecewise function pw1 under definition, it is constant in each interval

0 900 1080 900 45000 800 I have argument name as t

however, when i call it as pw1(t[1/s]) and do the calculation, i got error saying undefined t.

Anyone knows how to solve it?


0 Replies Last Post 2018年5月9日 GMT-4 22:59
COMSOL Moderator

Hello 岩 李

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