constants frrom tf

jueves · Apr 10, 2010

i have a transfer function for example like this
a=tf([1],[1 2])

i make a discrete fcn
b=c2d(a,0.1)

the answer is
x
-------
z-y

and now i need to put constants "x" and "y" into variables (for example "c" and "d") and use them in M-file

thanks for help

xnuke · Apr 10, 2010

[num,den] = tfdata(b,'v') returns the coefficient vectors of the transfer function numerator and denominator.

xnuke
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