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vault backup: 2024-02-12 20:57:22

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zleyyij 2024-02-12 20:57:22 -07:00
parent 1bbcd3f92f
commit 44ab45a6a8
2 changed files with 3 additions and 2 deletions
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2
.obsidian/plugins/obsidian-git/data.json vendored
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@ -2,7 +2,7 @@
"commitMessage": "vault backup: {{date}}", "commitMessage": "vault backup: {{date}}",
"autoCommitMessage": "vault backup: {{date}}", "autoCommitMessage": "vault backup: {{date}}",
"commitDateFormat": "YYYY-MM-DD HH:mm:ss", "commitDateFormat": "YYYY-MM-DD HH:mm:ss",
"autoSaveInterval": 5, "autoSaveInterval": 1,
"autoPushInterval": 0, "autoPushInterval": 0,
"autoPullInterval": 5, "autoPullInterval": 5,
"autoPullOnBoot": false, "autoPullOnBoot": false,

3
education/math/Matrices.md
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@ -13,10 +13,11 @@ $$
\end{bmatrix} \end{bmatrix}
$$ $$
## Multiplying matrices ## 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. 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 https://www.youtube.com/watch?v=XkY2DOUCWMU
## Adding matrices ## Adding matrices
To add two matrices together, they must be the same dimensionally (same number of rows, same number of columns).