Description Usage Arguments Details Value See Also Examples
tfdata
retrieves the model for a transfer function from a sys
object
1 | tfdata(sys1)
|
sys1 |
an LTI system object of tf, ss or zpk classes |
tfdata
retrieves a model object for a transfer function, from a sys
object of tf, ss and zpk classes
Returns a list object of tf
class containing numerator and denominator coefficients in desecending values of s.
For multiple-input multiple-output systems (MIMO) a list containing tf sys objects for as many outputs is returned
1 2 3 4 5 6 7 8 9 10 11 12 | sys1 <- zpk(NULL, c(-1,-1), 1)
tfdata(sys1)
A <- rbind(c(-2, -1), c(1,0)); B <- rbind(1,0);
C <- cbind(0,1); D <- 0
tfdata( ss(A, B, C, D) )
tfdata(ss2zp( A,B,C,D))
tfdata(tf(c(1), c(1,2,1)))
## Not run: MIMO system
A = rbind(c(0,1), c(-25,-4)); B = rbind(c(1,1), c(0,1));
C = rbind(c(1,0), c(0,1)); D = rbind(c(0,0), c(0,0))
tfdata(ss(A,B,C,D))
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