释义 |
DifferentTwo quantities are said to be different (or ``unequal'') if they are not Equal.
The term ``different'' also has a technical usage related to Modules. Let a Module in an Integral Domain for be expressed using a two-element basis as
where and are in . Then the different of the Module is defined as
The different Iff and are linearly independent. The Discriminant is defined as the square of the different.See also Discriminant (Module), Equal, Module References
Cohn, H. Advanced Number Theory. New York: Dover, pp. 72-73, 1980. |