f

content/math/2023-11-19-la.md

@@ -2,13 +2,13 @@
 title = "Linear Algebra"
 author = ["littlehome"]
 date = 2023-11-19
-lastmod = 2023-11-20T23:19:37+09:00
+lastmod = 2023-11-20T23:40:28+09:00
 draft = false
 +++
 
 ## Linear algebra {#linear-algebra}
 
-This is my take on reading a book on linear algebra. (Linear algebra done right upto ch 7)
+This is my take on reading a book on linear algebra. (Linear algebra done right, upto ch 7)
 
 
 ## What is it about {#what-is-it-about}
@@ -27,7 +27,7 @@ This is my take on reading a book on linear algebra. (Linear algebra done right
 
 #### Compared to a number {#compared-to-a-number}
 
--   A number has only 'uniqueness' property.
+-   A number's identity .. spans only itself.
 -   A number is a single entity, where a vector is a set
 
 
@@ -256,6 +256,8 @@ Sometimes they are exactly related as in the partition case.
 
 Sometimes they are subset, superset relation. E.g. normal are necessary condition for independent
 
+Sometimes they seem to be exact, but in analogy..
+
 
 ### Other definitions such as the followings can be constructed from the above {#other-definitions-such-as-the-followings-can-be-constructed-from-the-above}