University of Illinois at
Urbana-Champaign

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Math 125
Elementary Linear Algebra

Course Section Information

Section #, Time, & LocationInstructor InformationOffice Hours
Section B1
MWF at 9:00-9:50 in 114 David Kinley Hall
Tim LeSaulnier
E-mail: tlesaul2@uiuc.edu
in 123 Altgeld Hall:
Tuesday at 2PM and Friday at 10AM
Section X1
MWF at 12:00-12:50 in 112 Chem Annex
Kathleen Smith
E-mail: smithka@uiuc.edu
in 121 Altgeld Hall:
Thursday at 1PM and Friday at 1PM
Section F1
MWF, 2:00-2:50 in 1320 DCL
Thomas Carty
E-mail: carty@uiuc.edu
in 121 Altgeld Hall:
Monday at 12PM and Wednesday at 11AM

Syllabus

Lesson Plan

Homework

Grades

Free Tutoring

Monday thru Thursday 9 to 10:50AM and Friday from 10 to 10:50AM
in 123 Altgeld Hall

Monday thru Thursday from 3 to 4:50
in 140 Henry Admin Bldg

Private Tutoring

Past Hour Exams

Announcements:

04/30: Thursday's Final for the Noon Class -- Exam Room Assignments:

ALL students in 228 Natural History Building.

04/30: Finals Week extra office hours for Smith's class / Noon Section:

Monday, Tuesday and Wednesday from 1 to 2.

04/29: Solutions to Homework 8 are posted.

04/29: Monday's Final for the 2PM Class -- Exam Room Assignments:

Students with last names starting with A to O: in 1320 DCL
Student with last names from P to Z: 103 Talbot Lab

04/29: Friday night's exam will be in 114 David Kinley Hall.

04/28: Finals Week extra office hours for Tim's class / 9PM Section:

Thursday from 2 to 4
Friday from 9 to 11

04/28: Finals Week extra office hours for Carty's class / 2PM Section:

Thursday from 2 to 3
Monday from 11:15 to 12:45

04/22: Homework 8 is posted.

04/18: The room assignments for Monday night's exam are now posted. The exam starts at 7 PM sharp. It is imperative that you attend the properly assigned room. Turning a completed exam in at an unassigned classroom can result in an unexcused absense from the exam and a zero grade on the exam. Also, be sure to bring an official picture ID -- U of I ID, drivers licence, passport, etc. You will NOT be allowed to turn in an exam without presenting an ID.

04/17: Solutions to Homework 7 are posted.

04/17: Conflict Exam Instructions: If you have another class or exam at the same time as the evening exam on Monday the 21st, you need to send an email to your lecturer (email addresses above) titled "Conflict Exam Needed". The email needs to include the following:

  1. Name: your name (as it appears on your University ID card)
  2. UIN: your UIN
  3. Class Name: the name of the class our exam is conflicting with
  4. CRN: the course registration number for the above class
  5. Reason: If 7PM isn't the scheduled class time for the course that the 125 exam is conflicting with, you must give a detailed reason as to why there is a conflict.
Requests for conflict exams are due by 4PM on Monday the 21st. No late requests will be accepted. This information will be verified by the Math Department. If your conflict is verified, do not expect return email from us. Simply attend the conflict exam. The conflict exam will be Friday morning the 25th of April at 6:45 AM in 245 Altgeld Hall.

04/15: Solutions to Homework 6 are posted.

04/14: Vector Space Example 2 can be viewed here.

04/08: Homework 7 is posted.

03/31: Homework 6 is posted.

3/28: For those begining to feel that the course is becoming way too abstract and there clearly is no good reason that you should ever have to learn any of this, this is for you: Stephen Colbert - Heated Debate.

03/13: This is a reminder that class is cancelled on Friday the 14th. Enjoy your break.

03/12: The conflict exam on Friday will be held in room 314 Altgeld Hall at 6:45AM.

03/10: The room assignments for Wednesday night's exam are now posted. The exam starts at 7 PM sharp. It is imperative that you attend the properly assigned room. Turning a completed exam in at an unassigned classroom can result in an unexcused absense from the exam and a zero grade on the exam. Also, be sure to bring an official picture ID -- U of I ID, drivers licence, passport, etc. You will NOT be allowed to turn in an exam without presenting an ID.

03/05: Math 125 Room Change for Section F1: To make room for Engineering Open House, the lecture on Friday March 7 will be held in 213 Gregory Hall.

03/03: Homework 5 is re-posted with corrections to problems 5d and 7.

03/03: Solutions to Homework 4 are posted.

03/03: Homework 5 is posted.

03/03: Conflict Exam Instructions: If you have another class or exam at the same time as the evening exam on Wednesday the 12th, you need to send an email to your lecturer (email addresses above) titled "Conflict Exam Needed". The email needs to include the following:

  1. Name: your name (as it appears on your University ID card)
  2. UIN: your UIN
  3. Class Name: the name of the class our exam is conflicting with
  4. CRN: the course registration number for the above class
  5. Reason: If 7PM isn't the scheduled class time for the course that the 125 exam is conflicting with, you must give a detailed reason as to why there is a conflict.
Requests for conflict exams are due by 4PM on Monday the 10th. No late requests will be accepted. This information will be verified by the Math Department. If your conflict is verified, do not expect return email from us. Simply attend the conflict exam. The conflict exam will be Friday morning the 14th of March at 6:45 AM.

02/22: The solutions to Exam 1 (without graphics) are posted under the Past Hour Exam link above.

02/20: Homework 4 is posted.

02/11: For those authorized to take the conflict exam, it will be held at 6:45 AM on February 15th in room 245 Altgeld Hall. The deadline to sign-up for the conflict is this afternoon at 4PM. Follow the instructions below to sign-up.

02/11: The room assignments for Wednesday night's exam are now posted. The exam starts at 7 PM sharp. It is imperative that you attend the properly assigned room. Turning a completed exam in at an unassigned classroom can result in an unexcused absense from the exam and a zero grade on the exam. Also, be sure to bring an official picture ID -- U of I ID, drivers licence, passport, etc. You will NOT be allowed to turn in an exam without presenting an ID.

02/09: Solutions to Homework 2 are posted.

02/07: Homework 3 is posted.

02/06: The following two websites will be referenced during the lectures on 2.4: first webpage and the second webpage.

02/05: Conflict Exam Instructions: If you have another class or exam at the same time as the evening exam on Wednesday the 13th, you need to send an email to your lecturer (email addresses above) titled "Conflict Exam Needed". The email needs to include the following:

  1. Name: your name (as it appears on your University ID card)
  2. UIN: your UIN
  3. Class Name: the name of the class our exam is conflicting with
  4. CRN: the course registration number for the above class
  5. Reason: If 7PM isn't the scheduled class time for the course that the 125 exam is conflicting with, you must give a detailed reason as to why there is a conflict.
Requests for conflict exams are due by 4PM on Monday the 11th. No late requests will be accepted. This information will be verified by the Math Department. If your conflict is verified, do not expect return email from us. Simply attend the conflict exam. The conflict exam will be Friday morning the 15th of February at 6:45 AM in 245 Altgeld Hall.

02/03: Solutions to Homework 1 are posted. You will find them where Homework 1 was posted.

01/29: Homework 2 is posted. You will find it by clicking the link to the homework page above.

01/22: Free Tutoring hours are now posted above. They will begin tomorrow, Wednesday the 23rd.

01/19: Homework 1 is posted. You will find it by clicking the link to the homework page above.

01/18: Instructor office hours are now posted above.

01/16: The coursepacks are now available at TIS.

01/09: Since not all students will be able to purchase them by the first day of class, you can download the first and second lessons here: Lesson 1.3 and Lesson 1.4