Convolution
Polynomial multiplication and division correspond to the operations
convolution and deconvolution. The functions conv and deconv implement these operations.
Consider the polynomials
and
. To compute their product,
a = [1 2 3]; b = [4 5 6];
c = conv(a,b)
c =
4 13 28 27 18
Use deconvolution to divide
back out of the product:
[q,r] = deconv(c,a)
q =
4 5 6
r =
0 0 0 0 0
 | Derivatives | | Partial Fraction Expansions |  |
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