it could be argued that this is perfectly physical behavior, however, if I leave the hero standing on the moving platform and go for my coffee, I do not expect it to be dead after a while because he m…
**Introduction**
The `DifferentialAlgebra` Sage package is an analogue of the MAPLE 14 `DifferentialAlgebra` package.
The underlying theory is the differential algebra of Ritt and Kolchin.
Its main…