Dear all,

I've implemented my boundary conditions weakly in my compressible stratified problem, but I get the following error now:

How should I proceed to fix this?

Will



Traceback (most recent call last):

  File "compressible.py", line 181, in <module>

    solve(a == L, out)

  File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/firedrake/solving.py", line 120, in solve

    _solve_varproblem(*args, **kwargs)

  File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/firedrake/solving.py", line 145, in _solve_varproblem

    options_prefix=options_prefix)

  File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/firedrake/variational_solver.py", line 232, in __init__

    super(LinearVariationalSolver, self).__init__(*args, **kwargs)

  File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/firedrake/variational_solver.py", line 118, in __init__

    if ctx.is_mixed:

  File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/firedrake/solving_utils.py", line 152, in is_mixed

    return self._jacs[-1]._M.sparsity.shape != (1, 1)

  File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/firedrake/function.py", line 248, in __getattr__

    return getattr(self._data, name)

AttributeError: 'CoordinatelessFunction' object has no attribute '_M'

Exception AttributeError: "'LinearVariationalSolver' object has no attribute '_parameters'" in <bound method LinearVariationalSolver.__del__ of <firedrake.variational_solver.LinearVariationalSolver object at 0x7fcc08180090>> ignored