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How to multiple or divide two polynomials in MatLab? - conv - deconv -- MatLab

How to multiple or divide two polynomials in MatLab? - conv - deconv -- MatLab How to multiple or divide two polynomials in MatLab? [Ans] conv:multiple deconv:divide [Description] conv Convolution and polynomial multiplication w = conv( u,v )   It will return the  convolution  of vectors  u  and  v . If  u  and  v  are vectors of polynomial coefficients, convolving them is equivalent to multiplying the two polynomials. w = conv( u,v , shape )   It will return a subsection of the convolution, as specified by  shape . For example,  conv(u,v,'same')  returns only the central part of the convolution, the same size as  u , and  conv(u,v,'valid')  returns only the part of the convolution computed without the zero-padded edges. deconv Deconvolution and polynomial division [ q , r ] = deconv( u,v )   It will deconvolve a vector  v  out of a vector  u  using long division, and returns th...