Merge pull request #687 from evalf/fixes

Fixes
evalf · Jun 1, 2022 · 21a75c2 · 21a75c2
2 parents b0d6512 + dfea5b6
commit 21a75c2
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diff --git a/examples/cahnhilliard.py b/examples/cahnhilliard.py
@@ -40,7 +40,7 @@
 #
 # with the equivalent weak formulation::
 #
-#     ∂/∂η ∫_Ω [ η (φ - φ0) + .5 dt J(η)·∇η ] = 0
+#     ∂/∂η ∫_Ω [ .5 dt J(η)·∇η - η (φ - φ0) ] = 0
 #     ∂/∂φ ∫_Ω [ E(φ) + δψ(φ, φ0) σ / ε - η φ ] = 0
 #
 # For stability we wish for the perturbation δψ to be such that the time

diff --git a/nutils/solver.py b/nutils/solver.py
@@ -1004,7 +1004,7 @@ def _determine_dtype(targets, residuals, lhs0, constrain):
         or any(vec.dtype.kind == 'c' for vec in constrain.values())
     ) else float
     if not all(argobjs[target].dtype == dtype for target in targets):
-        raise ValueError('All targets must have dtype {}.'.format(dtype.__name___))
+        raise ValueError('All targets must have dtype {}.'.format(dtype.__name__))
     return dtype
 
 # vim:sw=2:sts=2:et