F.6 Mathematics Module 2 - 提供優質補習課 …

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MathematicsModule 2Unit 13 Matrices andDeterminants(English Version) SuperMaths Dr. Herbert LamJackie TaiAndrew Yau All Rights HKDSE Mathematics (M2)Headway SuperMathsMatrices and SuperMaths All Rights Reserved1Unit 13 Matrices and Framework of concepts and algebraic operationsAmatrixAof size (order)m n is a rectangular array of numbers withm(horizontal) rows andn(vertical) columns,111212122212[ ]nnijmmmnaaaaaaAaaaa or 111212122212nnijmmmnaaaaaaaaaa .The elementija(in thethirow and thethjcolumn) is called theij or( , )i jentry of the matricesAandBare said to beequalif they have the same size and thecorresponding entries are of the same sizem n , thenA B , thesumofAandB, is amatrix of sizem n , with its entries equal to the sum of the corresponding entries a matrix of sizem n , and a certain number, thenA is a matrix ofsizem n , with its entries equal to times the corresponding entries isthescalar multipleofAby.

F.6 Mathematics Module 2 Unit 13 – Matrices and Determinants (English Version) 進佳SuperMaths 數學團隊 Dr. Herbert Lam Jackie Tai Andrew Lai K.H. Yau