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...Matrix algebra addition scalar multiplication and transposition section a rectangular array of numbers is called the plural matrices are entries usually denoted by uppercase letters b c so on hence clearly come in various shape depending number rows columns for example shown has general with m n referred to as an or having size thus above have sizes respectively nis row whereas one column each entry identified which it lies numbered from top down left right then i j lying simultaneously linear special notation been devised if aij displayed follows am amn this simplify square ij said lie nn main diagonal two equal written only they same corresponding can be means that all given discuss possibility d solution impossible because different similarly possible provided their sum formed adding take form note not defined compute find add side obtain...