A few days ago I wrote about my solution for factoring a polynomial into factors corresponding to complex roots, factorC.
One of the uses for that utility is to perform a partial fractions decomposition of rational functions. Here’s a complex partial fraction function that uses factorC and the built-in Maxima function partfrac.
partfracC(_f,_z):=block( [d,fd], d:denom(_f), fd:factorC(d,_z), partfrac(1/fd,_z) );
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