-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 26/11/14 10:19, Anna Kalogirou wrote:
Dear all,
How would I solve multiple nonlinear variational problems simultaneously? For example, say that I have three residuals
F(u1,u2,u3;v) = 0 G(u1,u2,u3;v) = 0 H(u1,u2,u3;v) = 0,
where v is the test function. I need to solve all three of them together. Any suggestions?
Assuming you have: W = MixedFunctionSpace(...) w = Function(W) u1, u2, u3 = split(w) F = fn(u1, u2, u3; v) etc... Since you're linear in v, can you not just write: solve(F + G + H == 0, w) ? Or am I missing something? Lawrence -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with undefined - http://www.enigmail.net/ iQEcBAEBAgAGBQJUdas2AAoJECOc1kQ8PEYvGzIIAM/PQ/7o82RvhWC2StXETQtm ub5cvB+sj6ceqyE73L4bJzMjNvqdjSMy61QcCErho6nyeviqtvCDKbih98Sy7tut 7QMKLFQgwB1JdtnmdU4Rc5cm6pDDo2LPE07pbHmRSAl7XUH0GZTcqRAJoBubEzcn BxcF0vRAgr++Y+4ak+Snt2k950k2mf3jE4Q3oA/KpkL8nVfEkBWU5ACb23CbKLAD lO5ZrOFuSYHoyj+Fcn8aEsrBGHEDwv6GhNoyWqo46speLCEamJN1E5D7KxYXuTCj W5lNHMPM0VeWvEiH69j4CidRbCo5Mba7rwVYJMzDWiXa0/avuFDlq2oOzxmIIIs= =BZY9 -----END PGP SIGNATURE-----