From 8f47e8b7bc27a08bb1fa985f5d1b5f56c7c22b6a Mon Sep 17 00:00:00 2001
From: Daniel Bulant <danbulant@gmail.com>
Date: Thu, 28 Apr 2022 14:26:13 +0200
Subject: [PATCH] vault backup: 2022-04-28 14:26:13

---
 notes/.obsidian/plugins/obsidian-activity-history/data.json | 4 ++--
 notes/mat/Rovnice/Matice.md                                 | 3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/notes/.obsidian/plugins/obsidian-activity-history/data.json b/notes/.obsidian/plugins/obsidian-activity-history/data.json
index 9d09fa3..dbce202 100644
--- a/notes/.obsidian/plugins/obsidian-activity-history/data.json
+++ b/notes/.obsidian/plugins/obsidian-activity-history/data.json
@@ -13,7 +13,7 @@
     {
       "path": "/",
       "date": "2022-04-28",
-      "size": 830890
+      "size": 831187
     }
   ],
   "activityHistory": [
@@ -610,7 +610,7 @@
         },
         {
           "date": "2022-04-28",
-          "value": 666
+          "value": 963
         }
       ]
     }
diff --git a/notes/mat/Rovnice/Matice.md b/notes/mat/Rovnice/Matice.md
index 3b40d86..a4d028c 100644
--- a/notes/mat/Rovnice/Matice.md
+++ b/notes/mat/Rovnice/Matice.md
@@ -24,3 +24,6 @@ $a_{31}x+a_{32}y+a_{33}z=b_3$
 Nepočítá se.
 ## Hodnost
 Počet nenulových řádků v matici.
+## Determinant
+U matice se sečtou násobky diagonal (xyz..) a odečtou násobky opačných diagonál (...zyx).
+Pokud je hodnota 0, je rovnice singulární (nekonečně mnoho řešení, nebo žádné)
\ No newline at end of file