Kriging and Radial Basis Functions
Kriging and Radial Basis Functions
Kriging and Radial Basis Functions
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SIAM OP05 <strong>Kriging</strong> <strong>and</strong> RBFs 3InterpolationΦα + Fβ = y , Φ ij = φ j (θ,x i ), F i,: = f(x i ) Tm equations with m+q unknowns.Both in <strong>Kriging</strong> <strong>and</strong> general RBF approach: supply with F T α =0( )( ) ( )Φ F α y=(∗)F ⊤ 0 β 0Φ∈R m×mis symmetric. Full rank if the x i are distinct.F ∈ R m×q ,q