Lpq Norm (||·||𝑝,𝑞) is a type of norm (||·||) that takes in a matrix (𝐴) defined as: ||·||𝑝,𝑞 = 𝐿𝑝𝑞 = ||𝐴||𝑝𝑞= (𝛴𝑗(𝛴𝑖|𝐴𝑖𝑗|𝑝)(𝑞/𝑝))(1/𝑞)