i want to get the overall transfer function of the parallel conncected transfer functions blocks

%% Transfer function 1
num1=[576 288];
den1=[4.8 34.992 73.392 1504.8];
G1  = tf(num1, den1)
%% Transfer function 2
num2=[57.6 230.4 -288];
den2=[249.831 1938.651 1742.688 -8162.8476 -11905.033 -241];
G2  = tf(num2, den2)
%% Transfer function 3
num3=[167.40 837.04];
den3=[57.708 179.307 1921.539 3712.548 1662.54];
G3  = tf(num3, den3)
%% Transfer functions in parallel 
G   = parallel(parallel(G1, G2), G3)
G   = minreal(G)

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deekshith 2024-3-31

%% Transfer function 1

num1=[576 288];

den1=[4.8 34.992 73.392 1504.8];

G1 = tf(num1, den1)

%% Transfer function 2

num2=[57.6 230.4 -288];

den2=[249.831 1938.651 1742.688 -8162.8476 -11905.033 -241];

G2 = tf(num2, den2)

%% Transfer function 3

num3=[167.40 837.04];

den3=[57.708 179.307 1921.539 3712.548 1662.54];

G3 = tf(num3, den3)

%% Transfer functions in parallel

G = parallel(parallel(G1, G2), G3)

G = minreal(G)

by using this code i got the answer but while iam entering the denominator values i'm getting error

deekshith 2024-3-31

but iam getting error in the transfer block in simlink model while apply the denominator values

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