The Discrete Laplacian

My First Post - Test

Mathematical Equations

This is inline math: $E = mc^2$.

This is display math: $$ \int_{a}^{b} x^2 \, dx $$ This is part of the doc added later

Diagrams

graph TD; A-->B; A-->C; B-->D; C-->D; D-->E; E-->F; D-->F;