.. role:: option(literal)
.. role:: file(literal)
.. _TUTORIAL7:

Time-dependent, non-linear problems with Cahn-Hilliard (*)
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**Objective:** 

**Assumptions:** 

Difference from Linear Problems
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Explain SetUserFunction, SetUserIFunction, SetUserIEFunction

Dissecting the Residual
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Verifying the Jacobian
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Monitor Functions
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Free energy, output