financialkit.pde_methods ======================== Explicit, implicit and Crank-Nicolson schemes with Rannacher smoothing, the Thomas algorithm, CFL and von Neumann stability, Richardson extrapolation and Tavella-Randall grids, the heat-equation transform and trinomial equivalence, barriers, American options by PSOR, Brennan-Schwartz and penalty, and Peaceman-Rachford ADI. .. grid:: 1 2 3 3 :gutter: 2 .. grid-item-card:: History :link: /history/pde_methods_breakthroughs :link-type: doc The foundational breakthroughs behind this subpackage, linked to the implementation. .. grid-item-card:: Examples :link: /api/gallery/pde_methods/index :link-type: doc Runnable tutorials and the full example gallery. .. grid-item-card:: API reference :link: /api/pde_methods :link-type: doc Every public class and function.