From 44ab45a6a80b1b658282c70bc4478df2a3492c30 Mon Sep 17 00:00:00 2001 From: zleyyij Date: Mon, 12 Feb 2024 20:57:22 -0700 Subject: [PATCH] vault backup: 2024-02-12 20:57:22 --- .obsidian/plugins/obsidian-git/data.json | 2 +- education/math/Matrices.md | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/.obsidian/plugins/obsidian-git/data.json b/.obsidian/plugins/obsidian-git/data.json index 4bc189e..7b1247f 100644 --- a/.obsidian/plugins/obsidian-git/data.json +++ b/.obsidian/plugins/obsidian-git/data.json @@ -2,7 +2,7 @@ "commitMessage": "vault backup: {{date}}", "autoCommitMessage": "vault backup: {{date}}", "commitDateFormat": "YYYY-MM-DD HH:mm:ss", - "autoSaveInterval": 5, + "autoSaveInterval": 1, "autoPushInterval": 0, "autoPullInterval": 5, "autoPullOnBoot": false, diff --git a/education/math/Matrices.md b/education/math/Matrices.md index 7a8e54a..f6a45b1 100644 --- a/education/math/Matrices.md +++ b/education/math/Matrices.md @@ -13,10 +13,11 @@ $$ \end{bmatrix} $$ ## Multiplying matrices -To multiply two matrices, the number of columns for the first option must match the number of columns in the second. +To multiply two matrices, the *number of columns* for the first matrix must match the number of columns in the second. To get answers, go through each entry in the second matrix, entry by entry, and multiply by every item in the matching row of the first one, then add all of those together. https://www.youtube.com/watch?v=XkY2DOUCWMU ## Adding matrices +To add two matrices together, they must be the same dimensionally (same number of rows, same number of columns). \ No newline at end of file