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6.45.2  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 6.42.3 and Section 6.42.4).


Examples.


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