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What is the difference between relative error and residual?

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Hi,
I've often experience the error message like,

Failed to find a solution.
The relative "error or residual" is greater than the relative tolerance.
Returned solution is not converged.

In this case, I can't distinguish clearly between error and residual
I hope anyone would explain for it please

Best regards.

0 Replies Last Post Jan 2, 2016, 2:03 a.m. EST
COMSOL Moderator

Hello Hyunjae Lee

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