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past SeLo
past Abstract Algebra
past LinA
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Combinatorics 2017-2018


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Semester: MAS4105 Linear.Algebra.1

(Abstract) Linear Algebra LinAlg

Nostalgic? See 2022g, 2016g, 2015t, 2011t, 2010t, 2005t, and Computational LinAlg,

Our Teaching Page has important information for my students. (It has the Notes, Exams and Links from all of my previous courses.)
The Teaching Page has my schedule, LOR guidelines, and Usually Useful Pamphlets. One of them is the ChecklistThe checklist (pdf) which gives pointers on competant mathematical writing. Further information is at our class-archive URL (I email this private URL directly to students).

In all of my courses, attendance is absolutely required (excepting illness and religious holidays). In the unfortunate event that you miss a class, you are responsible to get all Notes / Announcements / TheWholeNineYards from a classmate, or several. All my classes have a substantial class-participation grade.

LinA Assignment for Add/Drop week



Vector spaces

This demo page illustrates these linear transformations: Dilations, Rotations and Shears. It also shows the affine transformation of Translation.

Please peruse the Wikipedia pages that define Group, Ring, Field as well as Set builder notation.


Inner product spaces

Quantifiers and (“for all”  and  “there exists”) are like nitroglycerin, in that one little mis-step leads to the whole thing blowing up in your face.

There is no partial credit when it comes to Explosives and Quantifiers.

-JLF King

General Info

Our LinA class has a LISTSERV archive. I will email to each student how to post-to and read-from the Archive. (The archive is at a private URL, only for the use of the folks in our class.)


Linear Algebra (5th edition).
Author: Friedberg, Insel, Spence ISBN: 978-0134860244
Year: 2019 Publisher: Pearson
Photo of text cover
It is available from the publisher and from online booksellers.

Possibly optional: Individual Linear-Algebra Project Prof.

...is due, slid u n d e r room 402 Little Hall my office door (Little Hall 402, Northeast corner) no later than [Time & Date].

This   IOP (pdf),   must be carefully typed, but diagrams may be hand-drawn.



At all times have a paper copy you can hand-in; I do NOT accept electronic versions. Print out a copy each day, so that you always have the latest version to hand-in; this, in case your printer or computer fails. (You are too old for My dog ate my homework.)

Please follow the guidelines on the Checklist Checklist (pdf, 3pages) to earn full credit.







Spring 2022, LinA:

(Jake Park TA-ed for this course, and was tremendously helpful.)


Spring 2016, LinA:


Various math czars who help out.

Computer Time EL-Probs Phone-list
John Avery Meghan Sarah

Our main textbook was Linear Algebra (4th edition).
Author: Friedberg, Insel, Spence ISBN: 978-0130084514
Year: 2003 Publisher: Prentice Hall
Photo of text cover
It is available from the publisher and from online booksellers.


Autumn 2015, LinA:

Various math czars who help out.

Computer Chalk EL-Probs Time Phone-list
James Nick Benjamin Brodie Allison


Autumn 2011, LinA:

My students (well, Thom) created a LinAlg facebook page.

Various math czars who help out.

EL-Probs Computer Time Chalk Blackboard Phone-list
Jenn Brandon Rachel Dillon Suzy Katherine

A good-looking 2011Autumn Lin-Alg


Autumn 2010, LinA:

Some of the material we've covered

Various math czars who help out.

Time Chalk Blackboard Computer/Proj
Kaitlin James Sean James



Autumn 2005, LinA:

Our main textbook is Linear Algebra (edition 4/E).
Author: Friedberg, Insel, Spence ISBN: 0-13-008451-4l
Year: 2003 Publisher: Prentice Hall





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____End: Linear Algebra