s = tf('s'); % specify a transfer function using a rational function in the Laplace variable s.
sysG1 = 2;sysG2 = 1/(s^2+2*s);sysG3 = series(sysG1, sysG2);sysG4 = 1;sysCL = feedback(sysG3, sysG4) % feedback(sysG4, sysG6) assumes negative feedback and is equivalent to feedback(sysG5, sysG6, -1)
F = ilaplace(sysCL)
The error comes from the last line saying 'Undefined function 'ilaplace' for input arguments of type 'tf'.'
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