diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 4c9576e..6845631 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -55,12 +55,12 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "Ekvations System.md",
+                "file": "Matriser.md",
                 "mode": "source",
                 "source": false
               },
               "icon": "lucide-file",
-              "title": "Ekvations System"
+              "title": "Matriser"
             }
           }
         ],
@@ -225,8 +225,8 @@
   },
   "active": "cf5e20d35ba10881",
   "lastOpenFiles": [
-    "Untitled.md",
     "Ekvations System.md",
+    "Matriser.md",
     "Linjer.md",
     "Vektorer.md",
     "Primära Funktioner.md",
diff --git a/Matriser.md b/Matriser.md
new file mode 100644
index 0000000..a828ad9
--- /dev/null
+++ b/Matriser.md
@@ -0,0 +1 @@
+**DEF**: *En matris med reella koefficienter är en samling av $m\times{n}$ reella tal, uppdelade i $m$ rader och $n$ kolumner*$$\begin{aligned}A=\begin{bmatrix}a_{11}&a_{12}&\dots&a_{1n}\\a_{21}&a_{22}&\dots&a_{2n}\\\vdots&\vdots&\ddots&\vdots\\a_{m1}&a_{m2}&\dots&a_{mn}\end{bmatrix}\end{aligned}$$*Antalet rader och kolumner utgör matrisens dimension: $m\times{n}=$"$m$ gånger $n$"*
diff --git a/Untitled.md b/Untitled.md
deleted file mode 100644
index e69de29..0000000