CountInputs, CountOutputs, CountStates, and ConsistentQ, as defined in Control System Professional, also work with the new model object SystemMatrix. However, here, the term "state" is interpreted as "pseudostate" (Chen (1984)). CountInputs, CountOutputs, and ConsistentQ can also be used with the new objects LeftMatrixFraction and RightMatrixFraction. Make sure the application is loaded. Here is a SystemMatrix with two inputs, three outputs, and three pseudostates. | Out[3]= |  |
This determines the number of inputs, outputs, and states of the system. | Out[5]= |  |
The dimensions are consistent. | Out[7]= |  |
Here is a LeftMatrixFraction model of the system. | Out[9]= |  |
This confirms the number of inputs and outputs of the system in this model format. | Out[11]= |  |
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