How to invert the default order of polynomial?

Asked Apr 25 '15 at 16:27

Active Apr 25 '15 at 16:27

Viewed 59 times

By default, Mathematica outputs polynomials starting with smallest degree.

How can I invert this?

asked Apr 25 '15 at 16:27

Anixx

You could use TraditionalForm for this. – m0nhawk Apr 25 '15 at 16:29
@m0nhawk sorry but I do not want other consequences of TraditionalForm here. – Anixx Apr 25 '15 at 16:29
So, can you share more about the use case. – m0nhawk Apr 25 '15 at 16:31
Something like TraditionalForm[a x^3 + b x^4 + c, ParameterVariables -> {a, b, c}]? See also tutorial/PolynomialOrderings. – kglr Apr 25 '15 at 16:49
@kguler traditional form does not fit here. After Traditional Form I cannot copy to Latex, for instance. – Anixx Apr 25 '15 at 17:06
@Anixx, wrap everything in TeXForm to get an output that can be copy/pasted into Latex: e.g., copying the output of TraditionalForm[a x^3 + b x^4 + c, ParameterVariables -> {a, b, c}] // TeXForm and pasting here (between $ signs) gives $b x^4+a x^3+c$ – kglr Apr 25 '15 at 17:09
@kguler there can be many parameters (as many as the degree of the polynomia)l. It is easier to re-type all manually than list the parameters in this option. – Anixx Apr 25 '15 at 17:12
Anixx, maybe using DeleteCases on Variables, .e.g. expr = a x^3 + b x^4 + c; TeXForm[ TraditionalForm[expr, DeleteCases[Variables[expr], x]]]? – kglr Apr 25 '15 at 17:21
3

Is this what you're looking for? – Oleksandr R. Apr 25 '15 at 18:47
@Oleksandr R. maybe, actually! Need more look at it. – Anixx Apr 25 '15 at 19:09

0 Answers0