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Tuesday, February 07, 2006 

The Matrix: Part I

So far in class we've learned how to add and subtract matricies, how to multiply maticies by a scalar quantity and how to multiply matricies.

Matricies are usually used to solve "systems of equations" like you did in Applied Math 30S. We wont really be using them in that way in this course but you can read about it here. It may be worth your time to review that link if you'd like to go over the definition of what a matrix is. You may also want to look it up in the Math Dictionary or Encyclopedia you'll find in the Links list over there --> in the right hand sidebar.

You'll find a review of our lesson on Matrix Addidition here and Matrix Multiplication there. (There's a cool animation -- you'll see what I meant about "using your fingers." ;-))

Find a little addtional Matrix Addition practice here, and Matrix Multiplication practice there.

Finally, test your knowledge with these online interactive quizzes (refresh the page if you want to try five new ones):



Remember, those quizzes are tonight's homework.

Cheers!
Mr. K.




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