Mathematics, Optimization, Data Science, Machine Learning, Duality.
high the objective value is at every [x₁, x₂] point in the plot. For example: At x₁ = -0.5 and x₂ = -0.5 in the lower left corner, the objective value of x₁+x₂ is a lowly -1. Thus, it is represented by a very light blue color. In contrast, the upper right corner has x₁ = 2.5 and x₂ = 2.5. This