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...Introductionto linearalgebra rubenperezsanz universitatautonomadebarcelona september tableofcontents matrixandvectoralgebra systemsoflinearequations vectors matricesandmatrixoperations marixmultiplication thetranspose determinantsandinversematrices determinants orderdeterminants determinantsrules inverseofamatrix previously we have seen how to solve a very simple system of equations namelyalinearsystemwithequationsandunknowns the way these systems are solved quite straight forward however when or n need amoresystematicwaytosolvethem in this sense is crucial understand notation at hand will considerasystemofmequationsandnunknownsx x xn ax anxn b amx amnxn bm where amn coefcients and called right sides note theequationsarelinearintheunknowns oneormorecoefcientsmightbe...