It has been so long since I have last seen vectors!!!! That is with the exception of the gradient vector. The most difficult idea was the matrix notation. I understand that an m*n matrix represents m rows and n columns, but i don't see how the Ax=b notation is logical. Otherwise Section 1 did a great job of explaining how vectors can be manipulated to show dilations, contractions, and multipliers.
I think matrixes would be useful because it allows you to solve multiple equations by calculating multiple systems simultaneously. Efficient calculations are appreciated in many places of business!
Tuesday, November 27, 2007
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