update

bob7783 · bob7783 · commit 1ba92b9ffc39 · 2023-07-20T01:42:06.000-04:00
diff --git a/linear_algebra/WHERE ARE THE NOTEBOOKS.txt b/linear_algebra/WHERE ARE THE NOTEBOOKS.txt
@@ -0,0 +1,3 @@
+If you're here, this means you haven't watched the "where to get the notebooks" lecture very carefully!
+
+Please watch it again, and follow the instructions.
diff --git a/linear_algebra/extra_reading.txt b/linear_algebra/extra_reading.txt
@@ -0,0 +1,6 @@
+Introduction to Linear Algebra by Gilbert Strang
+https://amzn.to/2G3bvW1
+
+Still Don't Understand Gravity? This Will Help
+- this is included not because it's about calculus, but because it's yet another educator explaining why practice is important
+https://www.youtube.com/watch?v=cP2uVarXi1A

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+If you're here, this means you haven't watched the "where to get the notebooks" lecture very carefully!`
	`2`	`+`
	`3`	`+Please watch it again, and follow the instructions.`