Discussion Closed This discussion was created more than 6 months ago and has been closed. To start a new discussion with a link back to this one, click here.

Unable to input logarithmic function to comsol

Please login with a confirmed email address before reporting spam

I need to input ln(r) in expression and i have also tried with log(r) but it still showing unknown function error so what should i do now?

1 Reply Last Post 06.06.2016, 07:41 GMT-4
Lars Gregersen COMSOL Employee

Please login with a confirmed email address before reporting spam

Posted: 8 years ago 06.06.2016, 07:41 GMT-4
Hi

The natural logarithm in Comsol is called log().

Where are you trying to use this function? What is "r"? What error message do you see? What version of Comsol do you use?

It may help if you attach the model so we can have a look.


--
Lars Gregersen
Comsol Denmark
Hi The natural logarithm in Comsol is called log(). Where are you trying to use this function? What is "r"? What error message do you see? What version of Comsol do you use? It may help if you attach the model so we can have a look. -- Lars Gregersen Comsol Denmark

Note that while COMSOL employees may participate in the discussion forum, COMSOL® software users who are on-subscription should submit their questions via the Support Center for a more comprehensive response from the Technical Support team.