Hello,
I am trying to simulate a set of interconnected DT-LTI systems each modeled by discrete-time difference equations. I'm not exactly sure why Simulink is having an issue with this. It generates this error when I try to simulate:
Cannot solve algebraic loop involving 'test1/SingleLayer1/TLL/Product3' because it consists of blocks that cannot be assigned algebraic variables, such as blocks with discrete-valued outputs, blocks with non-double or complex outputs, Stateflow blocks, or nonvirtual subsystems. Consider breaking the algebraic loop. For example, add a delay or a memory block to the loop.
Since I am trying to model a set of discrete-time difference equations I cannot simply "add a delay" or "add a filter" or even break the loop, that defeats the whole purpose of the model. All I want is a numerical solution for the output of my simulation given an input and a set of constants that I know beforehand, and it only needs to be done all in discrete time. Is there a way to get Simulink to do this without solving things algebraically, or will I need to use other software?
