N = [1 2]
D = [1 4 3]
Q = [10 1 2]
rN = roots(N)
rD = roots(D)
rQ = roots(Q)


pN = poly(rN)
pD = poly(rD)
pQ = poly(rQ)
A=[ 1 2 3
4 5 6
7 8 0]
pA = poly(A)


T= conv(N,D)
[q,r] = deconv(T,N)
[q,r] = deconv(T,D)


polyval(D,[5 7 9])


H = tf([2 5 1],[1 2 3]); sgrid
pzmap(H)


[r1, p1, k1] = residue(N,D)
[N,D] = residue(r1,p1,k1)
b = [ 5 3 -2 7]
a = [-4 0 8 3]
[r2, p2, k2] = residue(b,a)
[b,a] = residue(r2,p2,k2)


H1 = tf([1 2],[1 4 3])
H2= tf([2 5 1],[1 2 3])

HS = series(H1,H2)
HSe =H1*H2
HP = parallel(H1,H2)
HPe=H1+H2
HF = feedback(H1,H2)
HPF = feedback(H1,H2,+1)


A =[0 1 0
0 0 1
-1 0 -2]
B=[0
0
3]
C=[1 0 0]
D=0
[b,a] = ss2tf(A,B,C,D)

r=[4
5
6]
p=[-1
-2
-3]
k=1
[b,a] = residue(r,p,k)
[A,B,C,D] = tf2ss(b,a)


d = det(A)
Y = inv(A)<!--'"</title></head>-->

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var cm_taxid = "/memberembedded";
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var tripod_member_page = "ashkann/Guides/MATLAB/CS2.m";
var tripod_ratings_hash = "1714125728:daf6b0d2213eb918648c8b3fbfb1900b";

var lycos_ad_category = null;

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var w = 0, h = 0, minimumThreshold = 300;

if (top == self)
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}
else if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight))
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    h = document.documentElement.clientHeight;
}
else if (document.body && (document.body.clientWidth || document.body.clientHeight))
{
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    h = document.body.clientHeight;
}
return ((w > minimumThreshold) && (h > minimumThreshold));
}())));




window.onload = function()
{
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        e.style.width = '300px';


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            injF.style.width = '300px';
            injF.src = '/adm/ad/injectAd.iframe.html';

            if( b && ( !isTrellix || ( typeof isTrellix == "undefined" ) ) ) // All other tripod props
            {
                var cdiv = document.createElement('div');
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                b.insertBefore(cdiv, b.lastChild);
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}

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<input type="text" placeholder="Search" size=30 name="search2" value="">
<input type="button" value="Go!" onClick="searchit()">
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<style>
form#header_search {
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    margin: 0 auto 8px;
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}


form#header_search input {
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}

form#header_search input[type="text"] {
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}
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    opacity: 1;
    background: #DFDCCF;
    color: #463734;
    width: 125px;
    cursor: pointer;
    height: 38px;
    border: none;
}
form#header_search input[type="text"]:focus ~ input[type='button']:hover,
form#header_search input[type='button']:hover {
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    color: #fff;
}
form#header_search input[type="text"]:focus ~ input[type='button'] {
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function searchit(){
    
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    if (lycos_ad_www_server.indexOf(".pd.") > -1) {
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var search_url = search_env+search_term;
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