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From: Galen on 26 May 2010 18:24
I'm solving a differential equation using pdepe. I have two components to the solution u, such that a typical value for u(1,:) is 1000 and a typical value for u(2,:) is 0.3. I want to raise the absolute tolerance on u(1) to 1e-2 or so, but not use that same absolute tolerance for u(2).

I could introduce some scaling factors so that u(2) is effectively made larger for solving, then divided down afterwards, but I would rather not.
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