A matrices is a set of integers in a rectangle, arranged in columns and rows and enclosed in brackets. The sizes of matrices vary. There are m rows and n columns in a, m, n matrix.
Many areas of mathematics naturally use matrices. They are especially helpful in cross-classification scenarios since the array format enables us to list all alternatives succinctly. In reality, we have already calculated conditional probabilities using arrays or tables similar to these. Additionally, game theory will find utility for this in particular.
The arithmetic properties of matrices are the same as those of regular numbers. For matrices, we can define an addition and a multiplication. There will be compatibility limitations on the sizes of the matrices used in both of these binary operations.
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