http://www.youtube.com/watch?v=CgfkEUOFAj0 (http://www.youtube.com/watch?v=CgfkEUOFAj0)
intro finishes at 05:53
http://en.wikipedia.org/wiki/Matrix_(mathematics) (http://en.wikipedia.org/wiki/Matrix_(mathematics))
well I always wondered how do system engieneers apply matrix to their work and mainly the area of programation well the answer maybe this:
http://en.wikipedia.org/wiki/Array_data_structure#Compact_layouts (http://en.wikipedia.org/wiki/Array_data_structure#Compact_layouts)
more useful stuff:
http://en.wikipedia.org/wiki/Matrix_addition (http://en.wikipedia.org/wiki/Matrix_addition)
http://en.wikipedia.org/wiki/Scalar_multiplication (http://en.wikipedia.org/wiki/Scalar_multiplication)
http://en.wikipedia.org/wiki/Transpose (http://en.wikipedia.org/wiki/Transpose)
http://en.wikipedia.org/wiki/Row_operations (http://en.wikipedia.org/wiki/Row_operations)
I may make an example on C++ of array data using matrix if someone make up my mind about it.