[CI] Add automated upload of summaries to comsol

.github/actions/upload-to-comsol/action.yml

@@ -0,0 +1,21 @@
+name: Upload to ComSol
+description: Upload documents to VIS ComSol
+author: Janis Hutz
+inputs:
+  file:
+    description: File to upload
+  access_token:
+    description: Access token for the file on ComSol
+  url:
+    description: The upload URL as shown in the access token details page on ComSol
+runs:
+  using: composite
+  steps:
+    - name: Upload file to ComSol
+      run: |
+        curl {{ inputs.url }} \
+            -H "Authorization: {{ inputs.access_token }}" \
+            -F "file=@{{ inputs.file }}"
+branding:
+  icon: book
+  color: red

.github/workflows/upload-ad.yml

@@ -0,0 +1,17 @@
+name: Upload Algorithms and Datastructures Summary
+on:
+  push:
+    paths:
+      - 'semester1/algorithms-and-datastructures/**'
+jobs:
+  build_docs:
+    runs_on: ubuntu-latest
+    steps:
+      - name: Set up Git repository
+        uses: actions/checkout@v6
+      - name: Upload to ComSol
+        uses: ./.github/actions/upload-to-comsol
+        with:
+          access_token: {{ secrets.TOKEN_AD }}
+          file: ./semester1/algorithms-and-datastructures/ad-janishutz.pdf
+          url: https://exams.vis.ethz.ch/api/document/jahutz/summary-hs24_1/files/591/update/

semester3/analysis-ii/cheat-sheet-jh/parts/vectors/differentiation/05_taylor_polynomials.tex

@@ -11,10 +11,11 @@ Let $f : X \rightarrow \R$ with $f \in C^k(X, \R)$ and $y \in X$. The Taylor-Pol
 % TODO: Find out what the \partial_1 notation means (likely TA notes 09)
 where $i$ is a \textit{multi-index}, so:
 \drmvspace
-\begin{multicols}{2}
+\begin{multicols}{3}
     \begin{itemize}[noitemsep]
         \item $i = (i_1, \ldots, i_n)$ (each $i_j \geq 0$)
-        \item $|i| = i_1 + \ldots + i_n$, $\partial_i = \partial_1^{i_1} \ldots \partial_n^{i_n}$
+        \item $|i| = i_1 + \ldots + i_n$
+        \item $\partial_i = \partial_1^{i_1} \ldots \partial_n^{i_n}$
         \item $(x - y)^i = (x_1 - y_1)^{i_1} \cdot \ldots \cdot (x_n - y_n)^{i_n}$
         \item $i! = i_1! \cdot \ldots \cdot i_n!$
     \end{itemize}