my math stuff

i wrote these

The Wonderful World of Projectors

They're cool, I promise!

17 min read · 2024

Constant Coefficient ODEs Made Simple with Linear Operators

No more guessing. Let's make it intuitive with linear algebra.

23 min read · 2023

A Formula for Some Particular Solutions

Yet another obnoxious formula for solutions to constant coefficient nonhomogeneous ODE's with common forcing functions.

8 min read · September 22, 2021

2021 · differential-equations
Matrix Exponentials Using Differential Equations

ok

5 min read · September 13, 2021

2021 · matrix-exponentials normalized-solutions systems-of-differential-equations · differential-equations
Exact Equations Done Quick

speedrun WR

6 min read · September 9, 2021

2021 · differential-equations
Function Interpolation

Find a function that matches your requirements

11 min read · August 16, 2021

2021 · linear-algebra
Polynomial Interpolation

Making your own custom polynomial.

22 min read · August 3, 2021

2021 · linear-algebra