====== Select Transition Matrix ====== 

===== Description =====

This container picks up a transition matrix from a series of matrices.

===== Inputs =====

===== Optional Inputs =====

^ Name  ^ Type  ^ Description  ^ Default Value  ^
| Step  | [[Positive Integer Value Type]]  | Current step or model iteration.  | 1  |

===== Outputs =====

^ Name  ^ Type  ^ Description  ^
| Transition Matrix  | [[Transition Matrix Type]]  | Matrix of transition rates.  |

===== Group =====

[[Functor List#Stack | Stack]]

===== Notes ===== 

This container allows the replacement of one transition matrix with another during a model execution. Any matrix inside this container will begin to be used by a simulation according to its matrix number identifier and will continue to be used until the model step reaches the number identifier of another matrix inside the same container.

Each transition matrix inside the "Select Transition Matrix" must be provided by a corresponding [[Number Transition Matrix]].

===== Internal Name ===== 

SelectTransitionMatrix