Simulink to State Equations

Daniel Sonnenmark

2013 12 4

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So I have been using the following code to find the state equations (ABCD) of my simulink model when the variables have been defined with numeric values.

SYS = linmod('Part2_A'); Tss=ss(SYS.a,SYS.b,SYS.c,SYS.d)

However I need to get the state equations in terms of the variables I am using in the simulink model. I have tried using the following to define the variables, but it will not work.

syms A; syms B; % ect...

Does anybody know how I can do this? Thanks.