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Re: How to force an expression into Rational Function form?
In article <3sg3p4$8cq at news0.cybernetics.net> bracken at kevily.ECE.CMU.EDU (J Eric Bracken) writes: > > Is there a way to force a univariate expression into the form > of a rational function (i.e., the ratio of two polynomials)? > > Apart almost does the job, but if it's able to factor the > denominator polynomial, it does so, which leaves you with the > SUM of several rational functions. I want just a single big > rational function. > > I guess this is just a special case of the problem of clearing all > sums of fractions and generating one big fraction; for example, > > a/b + c/d = (ad+bc)/bd > > TIA, > > --Eric > In:= Together[a/b+c/d] // InputForm Out//InputForm= (b*c + a*d)/(b*d) Daniel Lichtblau WRI