Appendix B

Linear Algebra

B.1 Systems of Linear Equations

A system of bapp02-math-0001 linear equations in bapp02-math-0002 unknowns looks like this:

equation

The bapp02-math-0005's are unknowns and bapp02-math-0006 and bapp02-math-0007 are constants. To put this in simpler form, we form matrices and define matrix multiplication.

B.2 equation

Notice that matrix bapp02-math-0009 has bapp02-math-0010 rows and bapp02-math-0011 columns; its size is denoted as . Matrix is a column matrix and has size . Matrix is also a column matrix ...

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