Function na::wilkinson_shift
source · [−]pub fn wilkinson_shift<T>(tmm: T, tnn: T, tmn: T) -> T where
T: ComplexField, Expand description
Computes the wilkinson shift, i.e., the 2x2 symmetric matrix eigenvalue to its tailing
component tnn.
The inputs are interpreted as the 2x2 matrix: tmm tmn tmn tnn