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7.2.3.3 module operations (plural)
+
- addition (concatenation of the generators and simplification) Note that "-" implicitely converts a module into a matrix; see
below example.
*
- right or left multiplication with number, ideal, or poly (but not `module` * `module`!)
- module_expression
[ int_expression , int_expression ]
- is a module entry, where the first index indicates the row and
the second the column
- module_expressions
[ int_expression ]
- is a vector, where the index indicates the column (generator)
Example:
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