Accordingly, this letter proposes a Gaussian background purification approach according to background data samples probability distribution and an inverse-of-matrix-free method based on kernel PCA to ...

A degenerate kernel (DK) method using the hierarchical matrix (H-matrix) to solve the electric field integral equation (EFIE) is proposed in this paper, which separates the field points and the source ...

The results show that the method has many advantages, such as higher precision, better stability, less amount of calculation than any other methods and the reproducing kernel function has good local ...

In this paper, a Jacobi-collocation spectral method is developed for Volterra integral equations of the second kind with a weakly singular kernel. We use some function transformations and variable ...