Differential Eqns

Differential equation modeling johndcook.com/blog/partial-d…

Numerical solution of differential-algebraic equations web.mscsoftware.com/support/librar… (DASSL)

'Classical mathematics concentrated on linear equations for a sound pragmatic reason: it could not solve anything else.' -- Ian Stewart

2x2 grid giving an overview of numerical differential equation solvers johndcook.com/blog/2020/06/1…

Discretized wave equations terrytao.wordpress.com/2014/11/05/dis…

Separation of variables en.wikipedia.org/wiki/Separatio…

An infinite degree ordinary differential equation to brighten your weekend. 🙂 Happy #Einstein's Birthday and a Happy weekend! #math #calculus #DifferentialEquations

Applications of Bernoulli differential equations johndcook.com/blog/2024/01/1…

“The key to understanding the Dirac delta function is that it’s not a function on real numbers but a continuous linear functional on the space of smooth functions with compact support.”

Riemann's differential equation en.wikipedia.org/wiki/Riemann%2…

Nonlinear Poisson equation: -Δ u = f(u)

Noether's theorem, and the conservation laws for the Euler equations

Method of characteristics en.wikipedia.org/wiki/Method_of…

Difference equations and differential equations johndcook.com/blog/2022/06/1…

History of the finite element method link.springer.com/article/10.100…

Wave equation: u_tt - Δu = 0

'The history of transistors is the history of solving Schrödinger's equation in various materials.' -- Leon Lederman

New post: Differential equation with a small delay johndcook.com/blog/2026/03/0…

Operator calculus johndcook.com/blog/2022/10/1…

Huygens-Fresnel principle en.wikipedia.org/wiki/Huygens%E…