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Answers to your questions 03/10/10:
Administrative questions
1.
In class today you said that we would not be tested on …
Let me clarify this again: There will be no problems on geometric meaning of determinant and
change of coordinate. All other topics will be tested.
2.
Thank you for having problems related to isomorphism. It helped.
Thank you for the comment.
3.
Do you plan to post solutions to the problems in “review for final”?
Yes, if you request.
4.
When coming up how many questions we asked, are you going to take into account the
questions we asked in office hours?
No. Unfortunately, I cannot remember that.
5.
How much more difficult should we expect final exam questions to be than those on the
practice final?
The difficulties are similar.
6.
Will final questions include topic areas not covered by the practice final? How much studying
should I plan to do for things which are not covered by the practice exam?
Please do not use practice final as the only resource. It is used for you to have an idea of the
difficulty, length, etc., of the final. You should prepare for the final using the lecture notes,
homework, quizzes.
Questions on general topics
7.
You come up with different venn diagram for figure 1.6. Could you explain your reasoning again?
A vector space can have many generating sets, which are big enough to contain a basis and can
have extra elements. They can also intersect with each other.
8.
Is there a mathematical notation for V being a subspace of a vector space W?
I haven’t seen any.
9.
What does an equivalence relation imply?
Are you asking about the definition of equivalence relation? It is on page 551. It is a
mathematical concept which describes categorizing things into different groups. For example,
we can define A is equivalent to B if A and B have the same sex. This is an equivalence relation
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This note was uploaded on 01/19/2011 for the course MATH 121a taught by Professor Staff during the Winter '08 term at UC Irvine.
 Winter '08
 staff
 Linear Algebra, Algebra, Determinant

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