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- Solution of the nonlinear system of equations requires the
computation of a tangent matrix. The default behavior of operators
is to generate all partial derivatives, even those that do not
significantly contribute to the tangent. The ability to turn off
certain tangent contributions will be added, improving efficiency.
- The sign will probably be replaced by a more generic scaling
factor. This will allow scaling of some fields and residual without
using a scaling function.
Dan Yergeau
Tue Jul 23 12:05:19 PDT 1996