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-====== ode23tb ======
-ode23tb (stiff/TR-BDF2)
-An implementation of TR-BDF2, an implicit Runge-Kutta formula with a first stage that is a trapezoidal rule step and a second stage that is a backward differentiation formula of order 2. Like [[ode23s|ode23s]], this solver may be more efficient than [[ode15s|ode15s]] at crude tolerances.
-Stiff problems, low accuracy. Use for large error tolerances with stiff systems.
-Applicable Solver settings|DELETEME
-  * Absolute tolerance
-  * Relative tolerance
-  * Initial step size
-  * Max step size
-  * Min step size
-  * Refine
-  * Limit data points to last
-  * Norm Control
-  * Allowed step size violations
-  * Enable saturation
-  * LU decomposition matrix format
-===== Reference =====
-  * Shampine, L. F. and M. E. Hosea, “Analysis and Implementation of TR-BDF2,” //Applied Numerical Mathematics// 20, 1996.
-  * Bank, R. E., W. C. Coughran, Jr., W. Fichtner, E. Grosse, D. Rose, and R.Smith, “Transient Simulation of Silicon Devices and Circuits,” //IEEE Trans. CAD//, 4 (1985), pp 436-451.

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