Mathematics, Optimization, Data Science, Machine Learning, Duality.
and a₂ stays on the same half-plane as y, while b stays on the opposite half-plane. On the right, statement 2 is true: as we rotate vector y, we can find one such that a₁ and a₂ stays on the same half-plane as y, while b stays on the opposite half-plane. However, this means that b has to stay