Initial commit

This commit is contained in:
Efim Beshmenev
2026-07-10 19:16:42 +03:00
commit 7f9dc067a1
3620 changed files with 516098 additions and 0 deletions
@@ -0,0 +1,14 @@
int n = 10000;
VectorXd x(n), b(n);
SparseMatrix<double> A(n,n);
/* ... fill A and b ... */
BiCGSTAB<SparseMatrix<double> > solver(A);
// start from a random solution
x = VectorXd::Random(n);
solver.setMaxIterations(1);
int i = 0;
do {
x = solver.solveWithGuess(b,x);
std::cout << i << " : " << solver.error() << std::endl;
++i;
} while (solver.info()!=Success && i<100);