Empirical Mode Decomposition Combined with Local Linear Quantile Regression for Automatic Boundary Correction

Table 1

Formula of the test functions used in the simulation.

Test function	Formula
1	𝑓(𝑥)=sin(𝜋𝑥)−sin(2𝜋𝑥)+0.5𝑥
2	𝑓(𝑥)=10𝑒^−10𝑥+2𝑖𝑓𝑥≤0.53cos(10𝜋𝑥)0.5<𝑥<1
3	𝑓(𝑥)=5𝑒^(−10(𝑥−0.5)2)+𝑒^(−10𝑥)