|
D.15.13.21 projectLattice
Procedure from library multigrading.lib (see multigrading_lib).
- Usage:
- projectLattice(B); intmat B
- Purpose:
- A set of vectors in ZZ^m is given as the columns of B.
Then this function provides a linear map ZZ^m --> ZZ^n
having the primitive span of B its kernel.
- Returns:
- intmat
Example:
|