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<span class="path"><a href="index.html">FOSSEE Signal Processing Toolbox</a> >> <a href="section_e54aa8aac34aa55341e8b4b782fe1a74.html">FOSSEE Signal Processing Toolbox</a> > sos2cell</span>
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<div class="refnamediv"><h1 class="refname">sos2cell</h1>
<p class="refpurpose">Converts a second order section matrix to a cell array</p></div>
<div class="refsection"><h3 class="title">Parameters</h3>
<dl></dl></div>
<div class="refsection"><h3 class="title">Description</h3>
<p class="para">c=sos2cell(s) converts an L-by-6 second-order-section matrix s given by:
s = [B1 A1
B2 A2
...
BL AL]
to a cell array c = { {B1},{A1}, {B2},{A2}, ... {BL},{AL}} where each
numerator vector Bi and denominator vector Ai contains the coefficients of a
linear or quadratic polynomial. If the polynomial is linear, the coefficients
zero-padded on the right
c=sos2cell(s,g) adds a leading gain term to the start of the cell array as:
c={ {[g,1]},{B1},{A1}, {B2},{A2}, ... {BL},{AL}}
Example
s=rand(2,6)
s =</p>
<p class="para"></p>
<p class="para">column 1 to 5</p>
<p class="para">0.0437334 0.2639556 0.2806498 0.7783129 0.1121355
0.4818509 0.4148104 0.1280058 0.2119030 0.6856896</p>
<p class="para">column 6</p>
<p class="para">0.1531217
0.6970851</p>
<p class="para">sos2cell(s,2)
ans =</p>
<p class="para"></p>
<p class="para"></p>
<p class="para">column 1 to 3</p>
<p class="para">![2,1] [0.0437334,0.2639556,0.2806498] [0.7783129,0.1121355,0.1531217] !</p>
<p class="para">column 4 to 5</p>
<p class="para">![0.4818509,0.4148104,0.1280058] [0.2119030,0.6856896,0.6970851] !
Author
Ankur Mallick</p></div>
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