The coeffs (Symbolic Toolbox) function outputs the coefficients and terms of its argument polynomial in ascending order (opposite of the MATLAB convention for polynomials). It occasionally permutes their sequence, so simply using fliplr doeson't always solve the problem. However, the orders of the coefficient and term vector elements always corresponds. This utility takes as arguments the coefficient (C) and polynomial term (T) vectors that coeffs returns (as [C,T]), and the polynomial variable. It returns both coefficient and term vectors in monic, descending order, conforming to the MATLAB convention. It is particularly helpful for long symbolic coefficients, such as those that define transfer functions in terms of component values to be computed elsewhere (the kind of problem I wrote it to solve). See also the coeffs documentation in the Symbolic Math Toolbox.
Star Strider (2022). coeffsort (https://www.mathworks.com/matlabcentral/fileexchange/6907-coeffsort), MATLAB Central File Exchange. Retrieved .
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