
Contents
IBasics 1
1 Preliminaries 3
1.1 SetsandFunctions........................ 3
1.2 Fundamental Theorem of Algebra ............... 6
1.3 VectorsandLinear(Vector)Spaces .............. 7
1.3.1 Vectornorms ....................... 10
1.4 MatricesandTheirProperties ................. 12
1.4.1 Matrixadditionandscalarmultiplication ....... 12
1.4.2 Matrixmultiplication .................. 13
1.4.3 Thetransposeofamatrix................ 14
1.4.4 Triangular and diagonal matrices ............ 15
1.4.5 Determinants....................... 16
1.4.6 Traceofamatrix..................... 17
1.4.7 Rankofamatrix..................... 18
1.4.8 Theinverseofanonsingularmatrix