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tf2des Scilab Group Scilab Function tf2des
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tf2des - transfer function to descriptor
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G : linear system (syslin list) with possibly polynomial D matrix
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flag : character string "withD"
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Transfer function to descriptor form: S=list('d',A,B,C,D,E)
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Note that D=0 if the optional parameter flag="withD" is not given.
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Otherwise a maximal rank D matrix is returned in the fifth entry of the
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G=[1/(s-1),s;1,2/s^3];
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S1=tf2des(G);des2tf(S1)
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S2=tf2des(G,"withD");des2tf(S2)
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pol2des, tf2ss, ss2des, des2tf