Accedmychevron_right11thchevron_rightmathchevron_rightMatrices And Determinantschevron_rightIntroduction to Matrices

Introduction to Matrices

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Matrix definition, order, and basic examples.

4.1 Matrix and its order

A matrix is a rectangular array of numbers.

Example:

TEXT
A = [ 1  2  3
      0 -1  4 ]

This matrix has 2 rows and 3 columns, so its order is 2 × 3.