From 6cec7a0a127b112d6fa8dfba7649aec700d95431 Mon Sep 17 00:00:00 2001 From: zleyyij Date: Tue, 13 Feb 2024 09:43:35 -0700 Subject: [PATCH] vault backup: 2024-02-13 09:43:35 --- education/math/Matrices.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/education/math/Matrices.md b/education/math/Matrices.md index c6e9a9a..5f3c067 100644 --- a/education/math/Matrices.md +++ b/education/math/Matrices.md @@ -30,7 +30,9 @@ $$ $$ -When multiplying two matrices together, you're going to go row by column, just like the order. You'll multiply the first entry in the row of the first matrix by the first entry in the column of the second matrix. +When multiplying two matrices together, you're going to go row by column, just like the order. You'll multiply the first entry in the row of the first matrix by the first entry in the column of the second matrix, then proceed along, doing this for the second entry, and so on, making a list of numbers. With the above matrix, and the first row/column, it looks like this: +$${1*1,2*3,}$$ + %% 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. %%