Robuta

https://irinsubria.uninsubria.it/handle/11383/2068151 Optimizing a multigrid Runge-Kutta smoother for variable-coefficient convection-diffusion equations variable coefficient optimizing multigrid runge smoother https://cpb.iphy.ac.cn/en/article/doi/10.1088/1009-1963/13/12/006 A general mapping approach and new travelling wave solutions to the general variable coefficient... A general mapping deformation method is applied to a generalized variable coefficient KdV equation. Many new types of exact solutions, including solitary wave... travelling wave to the variable coefficient general mapping https://robotics.hanyang.ac.kr/bbs/board.php?bo_table=sub4_1&wr_id=76&page=3 Analytical model of variable characteristic of coefficient of restitution and its application to... model of analytical variable characteristic coefficient