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...Aprimer on matrices stephen boyd august these notes describe the notation of mechanics matrix manipulation and how to use formulate solve sets simultaneous linear equations wewon t cover algebra i e underlying mathematics numerical algorithms used manipulate software for forming manipulating g matlab mathematica or octave represent in computer lan guages such as c java applications example statistics economics circuit analysis graph theory terminology a is rectangular array numbers also called scalars written between square brackets an important attribute its size dimensions rows columns above has so always given with m n nmatrix if it equal number some authors refer fat fewer than skinny more entries coecients are values j entry value ith row jth column denoted by double subscripts cij which positive integers respectively indices our index bottom left twomatrices they same all corresponding vectors only one vector just sometimes specied calling subscript since other components dimensi...