Relevance Vector Machine Based Analyses of MRR and SR of Electrodischarge Machining Designed by Response Surface Methodology

Figure 2

Shows the block diagram of RVM. 𝐾(𝑚₁₁,𝑚),…,𝐾(𝑚_1𝑛,𝑚) and 𝐾(𝑚₂₁,𝑚),…,𝐾(𝑚_2𝑛,𝑚): Kernel functions for 𝑚_𝑛 input features. 𝑤: weight vector. 𝑦₁ and 𝑦₂: output responses (for MRR and SR).