Basic Mathematics Notes

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Basic MathematicsContents1 Basic Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Linear and Vectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . by a scalar . . . . . . . . . . . . . . . . . . . . . . . . . of two matrices . . . . . . . . . . . . . . . . . . . . . . for matrix-matrix multiplication.

ample: the top left element in matrix A, equal to 1, is in row 1 and column 1 and can be labelled as element a 11; the element in the 2nd column of row 1, equal to 3, is labelled as a 12. A general element a ijis located in row iand column j(see equation4for a further example). 2.1.2 Notation