https://doi.org/10.4169/college.math.j.45.1.011 https://www.jstor.org/stable/10.4169/college.math.j.45.1.011 Summary In textbooks, the familiar sine and cosine ...

A partial differential equation (PDE) is a mathematical equation that involves multiple independent variables, an unknown function that is dependent on those variables, and partial derivatives of the ...

Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...