Function pseudoinverse_from_self_adjoint_evd 

pub fn pseudoinverse_from_self_adjoint_evd<T: ComplexField>(
    pinv: MatMut<'_, T>,
    s: ColRef<'_, T>,
    u: MatRef<'_, T>,
    par: Par,
    stack: &mut MemStack,
)

computes a self-adjoint matrix’s pseudoinverse, given the eigendecomposition factors $S$ and $U$