From 246cf659fd4bf1fb5523ddaac47a7bfef406f640 Mon Sep 17 00:00:00 2001
From: Helge Gehring <42973196+HelgeGehring@users.noreply.github.com>
Date: Wed, 10 Jan 2024 09:40:32 -0800
Subject: [PATCH 1/3] fix split_bases and split_indices for ElementVector

---
 skfem/assembly/basis/abstract_basis.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/skfem/assembly/basis/abstract_basis.py b/skfem/assembly/basis/abstract_basis.py
index 8b21baa7..1a1c7962 100644
--- a/skfem/assembly/basis/abstract_basis.py
+++ b/skfem/assembly/basis/abstract_basis.py
@@ -338,7 +338,7 @@ def split_indices(self) -> List[ndarray]:
                                e.interior_dofs])
             return output
         elif isinstance(self.elem, ElementVector):
-            ndims = self.mesh.dim()
+            ndims = self.elem.dim
             e = self.elem.elem
             for k in range(ndims):
                 output.append(np.concatenate((
@@ -359,7 +359,7 @@ def split_bases(self) -> List['AbstractBasis']:
         elif isinstance(self.elem, ElementVector):
             return [type(self)(self.mesh, self.elem.elem, self.mapping,
                                quadrature=self.quadrature)
-                    for _ in range(self.mesh.dim())]
+                    for _ in range(self.elem.dim)]
         return [self]
 
     @property

From dea9d74f62bfbe2ba587642f5a35653998fb9d6f Mon Sep 17 00:00:00 2001
From: Helge Gehring <42973196+HelgeGehring@users.noreply.github.com>
Date: Wed, 10 Jan 2024 11:01:04 -0800
Subject: [PATCH 2/3] add entry to changelog for ElementVector-fix

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 3037aa00..462f118b 100644
--- a/README.md
+++ b/README.md
@@ -236,6 +236,7 @@ with respect to documented and/or tested features.
   `MeshTet2` and `MeshHex2`
 - Fixed: `ElementGlobal` now uses outward normals to initialize DOFs
   on boundary facets
+- Fixed: `ElementVector` works also for split_bases/split_indices in case `mesh.dim() != elem.dim`
 
 ### [8.1.0] - 2023-06-16
 

From 8b47502db955fa22ae5f047d65c0467eaafe6bbe Mon Sep 17 00:00:00 2001
From: kinnala <kinnala@users.noreply.github.com>
Date: Wed, 10 Jan 2024 23:21:34 +0200
Subject: [PATCH 3/3] Update README.md

---
 README.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 462f118b..ed6c6225 100644
--- a/README.md
+++ b/README.md
@@ -209,6 +209,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html)
 with respect to documented and/or tested features.
 
+### Unreleased
+
+- Fixed: `ElementVector` works also for split_bases/split_indices in case `mesh.dim() != elem.dim`
+
 ### [9.0.0] - 2023-12-24
 
 - Removed: Python 3.7 support
@@ -236,7 +240,6 @@ with respect to documented and/or tested features.
   `MeshTet2` and `MeshHex2`
 - Fixed: `ElementGlobal` now uses outward normals to initialize DOFs
   on boundary facets
-- Fixed: `ElementVector` works also for split_bases/split_indices in case `mesh.dim() != elem.dim`
 
 ### [8.1.0] - 2023-06-16