Hi,

Is there a way to exit a nonlinear-system-solving process from the function 
"residual_and_jacobian()" or "jacobian()" without terminating the program? For 
example, I 
am dealing with code as follows:

//Point A.
system.solve();

Then something bad happens in my "system.residual_and_jacobian()" function, and 
I want to 
return to Point A and proceed.  Does libmesh allow such an action?

Any suggestions or comments will be appreciated.

Thanks,
Dafang
-- 
Dafang Wang, Ph.D.
Postdoctoral Fellow
Institute of Computational Medicine
Hackerman Hall, Room 218
Johns Hopkins University, Baltimore, 21218
http://lagniappe.icm.jhu.edu/~dwang/

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