LF/Frobenius/Hilbert-Schmidt Norm (||·||𝐹) is a norm (||·||) defined as ||𝐴||𝐹 = 𝐿𝐹 = [ 𝛴𝑖𝑗|𝐴𝑖𝑗|2 ](1/2) where 𝐴 is a matrix is induced by Frobenius Inner Product (⟨·,·⟩𝐹) defined as: ||𝐴||𝐹= √⟨𝐴,𝐴⟩𝐹) = [𝛴𝑖𝑗|𝐴𝑖𝑗|2](1/2)