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Migael

Member

Registered: 2016-12-25

Posts: 5

Linear algebra Notation explained

What does it mean? I don't know how to think of it.

Also what does this exactly mean in combination with the T?

Final question is:

what does that mean? I don't know if I should give more context. I am trying to learn algebra but I cannot seem to understand the above 3.

Thanks in advance!

Last edited by Migael (2017-01-16 09:46:16)

Migael

Member

Registered: 2016-12-25

Posts: 5

Re: Linear algebra Notation explained

Nvm! I helped myself Oh my I see that the formulas did not went well. Sorry!

Btw: this website is a great help! http://www.abstractmath.org/MM/MMFuncNotation.htm

Bob

Administrator

Registered: 2010-06-20

Posts: 10,640

Re: Linear algebra Notation explained

hi Migael

Welcome to the forum.

I have added

to post 1 so it shows as a matrix equation.

As the 'vectors' are 2 by 1 this means that T is a transformation matrix 2 by 2.

Only knowing how one vector is mapped is insufficient to determine the four elements of T.

Bob

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Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob

Migael

Member

Registered: 2016-12-25

Posts: 5

Re: Linear algebra Notation explained

Look at what I found!

Real handy when you are study linear algebra.

http://www.mathsisfun.com/sets/domain-range-codomain.html

Domain, range and codomain explained in the easy to understand language of mathisfun.com