Data Science, Kernel Trick, Machine Learning, Machine Learning Theory.
solution we may get. So, how large could it be? Thinking of function as a vector over field ℝ with x∈𝒳 as indices. For an input space 𝒳of cardinality |𝒳|, the largest function space would be ℝ^|𝒳|, which means that once the input space has infinite cardinality (ℝ for example), the corresponding