This commit is contained in:
Benoit Jacob
2009-09-22 21:51:23 -04:00
parent ab5cc8284a
commit 0ad3494bd3
3 changed files with 10 additions and 13 deletions

View File

@@ -3,6 +3,6 @@ MatrixXd B = MatrixXd::Random(3,2);
cout << "Here is the invertible matrix A:" << endl << A << endl;
cout << "Here is the matrix B:" << endl << B << endl;
MatrixXd X;
if(A.lu().solve(B, &X))
A.partialLu().solve(B, &X);
cout << "Here is the (unique) solution X to the equation AX=B:" << endl << X << endl;
cout << "Relative error: " << (A*X-B).norm() / B.norm() << endl;