On Thu, 2 Oct 2008, John Peterson wrote:

> This was probably a confusing description but try it for
> a simple example to convince yourself the first Newton step is not the
> same as an explicit solve.

John's right - in fact, consider the case where f(U) is linear.  Then
Newton will obviously hit the correct solution after one step, but
(presuming you're using an implicit time discretization) that correct
solution is still the result of an implicit, not an explicit, solve.
---
Roy

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