Fix wrong link

Author: jorgensd

chapter1/nitsche.ipynb

@@ -8,7 +8,7 @@
     "# Weak imposition of Dirichlet conditions for the Poisson problem\n",
     "Author: Jørgen S. Dokken\n",
     "\n",
-    "In this section, we will go through how to solve the Poisson problem from the [Fundamentals](fundamentals.ipynb) tutorial using Nitsche's method {cite}`Nitsche1971`.\n",
+    "In this section, we will go through how to solve the Poisson problem from the [Fundamentals](./fundamentals_code.ipynb) tutorial using Nitsche's method {cite}`Nitsche1971`.\n",
     "The idea of weak imposition is that we add additional terms to the variational formulation to impose the boundary condition, instead of modifying the matrix system using strong imposition (lifting).\n",
     "\n",
     "We start by importing the required modules and creating the mesh and function space for our solution"
@@ -974,7 +974,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.6"
+   "version": "3.10.12"
   }
  },
  "nbformat": 4,

chapter1/nitsche.py

@@ -6,7 +6,7 @@
 #       extension: .py
 #       format_name: light
 #       format_version: '1.5'
-#       jupytext_version: 1.14.7
+#       jupytext_version: 1.15.2
 #   kernelspec:
 #     display_name: Python 3 (ipykernel)
 #     language: python
@@ -16,7 +16,7 @@
 # # Weak imposition of Dirichlet conditions for the Poisson problem
 # Author: Jørgen S. Dokken
 #
-# In this section, we will go through how to solve the Poisson problem from the [Fundamentals](fundamentals.ipynb) tutorial using Nitsche's method {cite}`Nitsche1971`.
+# In this section, we will go through how to solve the Poisson problem from the [Fundamentals](./fundamentals_code.ipynb) tutorial using Nitsche's method {cite}`Nitsche1971`.
 # The idea of weak imposition is that we add additional terms to the variational formulation to impose the boundary condition, instead of modifying the matrix system using strong imposition (lifting).
 #
 # We start by importing the required modules and creating the mesh and function space for our solution