num::lanczos_action_result¶
Defined in header <linear/eigen/lanczos.hpp>
struct lanczos_action_result;
Approximation of \(f(A)b\) produced from a Lanczos projection, for \(f(A) = A^{-1/2}\) (inverse_sqrt_lanczos) or \(A^{1/2}\) (sqrt_lanczos).
Members¶
| member | description |
|---|---|
vec<real> value |
|
idx steps = 0 |
|
real relative_change = 0.0 |
|
bool converged = false |