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Matrix operators work much as expected. In order of precedence they are
listed in table 1.
Table 1:
Matrix operators
' 
transpose 
^ 
power 
* 
multiplication 
/ 
right division 
\ 
left division 
+ 
addition 
 
subtraction 

Note that the normal matrix rules apply, so matrices need to be appropriately
shaped. Using .* (note the extra dot) multiples corresponding
elements together. ./
and .\
work in a similar way. .^
raises each element to the given power (rather than the matrix as a whole).