====== RADAU5 ======

Implicit Runge-Kutta method of fifth order with three stages (Radau IIA) for problems of the form My’=f(x,y) with possibly singular matrix M; with dense output (collocation solution).

Applicable for **stiff** problems of **low** to **medium** accuracy.

Applicable [[Solver_settings|solver settings]]:

  * Absolute tolerance
  * Relative tolerance
  * Initial step size
  * Max step size
  * Min step size
  * Refine
  * Limit data points to last
  * Max Newton iterations
  * F Newt
  * Thet

===== Reference =====

  * E. Hairer and G. Wanner. //Solving Ordinary Differential Equations II: Stiff and Differential-algebraic Problems//. Springer-Verlag, second revised edition, 1996.