Data Science, Kernel Trick, Machine Learning, Machine Learning Theory.
later part fixed at x. Now again think of function as a vector. With taking this set of functions as basis, it spans a function space ℌ s.t. every function in ℌ is a linear combination of the Kₓ’s. Building upon Kₓ’s, if the Kₓ’s form a linearly independent set, the resulting ℌ would thus have