vault backup: 2026-10-04 22:01:21

College/AU 26/MATH 208 (Matrix Algebra)/Chapter 1.2 Notes.md

@@ -12,7 +12,7 @@
 	a_{11} & a_{12} & a_{13} & b_{1} \\ a_{21} & a_{22} & a_{23} & b_{2} \\ a_{31} & a_{32} & a_{33} & b_{3} 
 	\end{bmatrix} \end{gathered}$$
 	- Same elementary operations can be used with augmented matrices, now it is with rows instead of equations.
-- gaussian elimination
+- Gaussian Elimination
 	- this is converting a matrix to **echelon form** (or row echelon form)
 		- this is when every leading term is a column to the left of the one below it and any zero rows are at the bottom
 	- once the augmented matrix is in echelon form it can be converted back into a linear system of equations (that is not in echelon form) and solved
@@ -26,5 +26,5 @@
 - Homogeneous linear system
 	- when the $b_{n}$ term of each equation is zero
 	- There is a "trivial solution" where each variable equals zero
-	- There can also be nowingspann-trivial solutions 
+	- There can also be non-trivial solutions 
 - 

To-Do.md

@@ -1,115 +0,0 @@
-
-- [x] Laundry
-- [x] Follow up with Eric from PNA
-- [x] Narrow down college list to where I will apply
-	- [x] Gather info on these colleges
-		- [x] What kind of application?
-		- [x] Any extra questions?
-		- [x] Deadline?
-- [x] Start reading Huckleberry Finn
-- [x] Order PCB and components
-- [x] Print more rocket parts
-- [x] Create Common app account
-- [x] Fold laundry
-- [x] Work on common app essay ideas
-- [x] application for U district food bank
-	- [x] apply for shift
-- [x] practice driving
-	- [x] see if rules are somewhere
-- [x] email eric about visiting
-- [x] start on common app essay
-- [x] start on UC essay prompts
-- [x] work on elementary schooler slides for math club
-- [x] check availability for officer meeting
-	- [x] create agenda
-	- [x] post agenda
-- [x] SAT BOOTCAMP MEETING 7/29 AT 3:00PM
-
-
-7/18
-- [x] Climb
-- [x] Send robotics agenda
-- [x] order parts and PCB
-- [x] start on Common app essay 
-- [x] apply for SAT tutoring
-
-7/21
-- [x] Climb
-- [x] look into coding summer camp tutor email
-- [x] print more rocket parts (work on solving PCB placement)
-- [x] work on caltech essays
-- [x] common app essay?
-
-
-- [x] Reschedule final SAT class ✅ 2025-09-05
-	- [x] send message to learners
-	- [x] reschedule session ✅ 2025-09-05
-- [x] start meeting agendas for first few officer meetings
-- [x] check rest of capacitors on rocket board for short ✅ 2025-09-07
-- [x] finish WPI essay draft ✅ 2025-09-20
-- [x] write up to-do list for rest of college essay things
-- [x] clean bathroom
-- [x] ✅ 2025-09-05
-- [x] #task Ask for letter of recommendation from Ms. Hashemi ✅ 2025-09-09
-- [x] #task Ask for letter of rec from Keiko sensei ✅ 2025-09-09
-- [x] #task ask Christy about MIT research portfolio (paper publish date, letter of rec) after Cheng-Hsin checks it over ✅ 2025-10-03
-- [x] #task Laundry ✅ 2025-09-06
-- [x] #task create rocketry attendance form ✅ 2025-09-06
-- [x] #task email Mr. Nimni about letter of rec ✅ 2025-09-09
-- [x] #task read ELA short story ✅ 2025-09-06
-- [x] #task find notebook for gov and bio(?) ✅ 2025-09-06
-- [x] #task post agenda for robotics ✅ 2025-09-06
-- [x] #task before asking for rec letters, go through colleges for requirements ✅ 2025-09-07
-- [x] #task clean bathroom ✅ 2025-09-06
-- [x] #task swap PMIC chip on rocket board ✅ 2025-09-08
-- [x] #task send robotics agenda for tuesday ✅ 2025-09-08
-- [x] #task send letter of rec requests from common apop ✅ 2025-09-20
-- [x] #task ask papa about scandinavian scholarship/others ✅ 2025-09-20
-- [x] #task send robotics monday agenda
-- [x] #task finish U michigan essay drafts ✅ 2025-09-24
-- [x] #task review bio lab report ✅ 2025-09-22
-- [x] #task read new ELA story (passed out 9/24) ✅ 2025-09-26
-- [x] #task Post to health discussion board ✅ 2025-10-03
-- [x] #task Read comments of college essays ✅ 2025-10-02
-- [x] #task Practice liebestraume ✅ 2025-10-03
-- [x] #task Post Agenda for Saturday meeting ✅ 2025-10-03
-- [x] #task Copy over rocketry attendance to ASB attendance sheet ✅ 2025-10-02
-
-
-
-- [x] #task finish bio foldable 📅 2025-10-09 ✅ 2025-10-09
-- [x] #task finish gov alignment quizes ✅ 2025-10-03
-- [x] #task finish shakespeare analysis for lit ✅ 2025-10-04
-- [x] #task finish calc 3 HW ✅ 2025-10-04
-- [x] #task reply to people for health
-- [x] #task look over comments on research questions
-- [x] #task health search and report ✅ 2025-10-04
-
-
-- [x] #task ask for rec letter from counsellor ✅ 2025-10-06
-- [x] #task Ask for rec letter from Lin ✅ 2025-10-07
-- [x] #task send Tuesday robotics agenda ✅ 2025-10-06
-- [x] #task send email to iron riders ✅ 2025-10-09
-- [x] #task finish lab report 📅 2025-10-13
-- [x] #task write stump speech
-- [x] #task try to get real buttons for gov
-- [x] #task endorsement from Mr Erickson ✅ 2025-10-09
-- [ ] #task endorsement from Mr. Garcia
-- [x] #task finish poetry project ELA
-- [x] #task print out poem for ELA
-- [x] #task submit cousellor rec form
-- [x] #task finish presentation for robotics comp prep meeting
-- [ ] #task MIT application easy part
-- [x] #task common app activities
-- [x] #task finalize common app essay
-- [ ] #task Finalize research questions MIT
-- [ ] #task maker portfolio
-- [x] #task upload notes in onenote for bio ✅ 2025-10-09
-- [x] #task complete bio vocab 📅 2025-10-13 ✅ 2025-10-09
-- [x] #task calc 3 week 2 homework
-- [x] #task health search and report week 2
-- [x] #task health readings week 2 📅 10/10
-- [x] #task health discussion week 2
-- [x] #task reply to others for health
-- [x] #task health quiz
-- [x] #task give Mr. Erickson pin