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5.45.2 Addition and subtraction of two matrices: + - .+ .-

The infixed operators + and .+ (resp. - and .-) are used for the addition (resp. subtraction) of two matrices.

Examples.


Remark.
+ and - can be used as prefixed operators; in this case they must be quoted, ’+’ and ’-’ (see Section ‍5.42.3 and Section ‍5.42.4).

Examples.


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