res(λ,g)2=∑j,k=1NKgjgk(ΨX∗WΨX)jk∑j,k=1NKgjgk[(ΨY∗WΨY)jk−λ(ΨY∗WΨX)jk−λ(ΨX∗WΨY)jk+∣λ∣2(ΨX∗WΨX)jk].(4.6 | res(λ,g)2=∑j,k=1NKgjgk(ΨX∗WΨX)jk∑j,k=1NKgjgk[(ΨY∗WΨY)jk−λ(ΨY∗WΨX)jk−λ(ΨX∗WΨY)jk+∣λ∣2(ΨX∗WΨX)jk].(4.6 |