"book-pflow-xyz/chapters/appendix-d-glossary.md" . . "Ordinary Differential Equation"@en . "An equation relating a function to its derivatives. The continuous relaxation of a Petri net produces a system of ODEs: $\\frac{d\\mathbf{m}}{dt} = \\mathbf{C} \\cdot \\mathbf{r}(\\mathbf{m})$ where $\\mathbf{r}(\\mathbf{m})$ is the rate vector (Chapter 3)."@en . . "ODE"@en . "3"^^ .