12.4 Part Count and Consistency Check
CountInputs, CountOutputs, and CountStates can be used to determine the number of inputs, outputs, or states of the system. They are useful in cases when systems change as the result of structural operations (say, merging or connecting with others). Alternatively, for a system entered manually, you may wish to check that no mistakes have been made and that the matrices you entered can really represent a system. The following functions help with these chores.
Checking on the system parameters.