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2013-10-30 16:24:16 +0200	marked best answer	can sage stop ordering terms? Short answer is "probably not, unless you want to muck about in the internals of Ginac/Pynac, our symbolics engine". Even this one reorders: `sage: B.add(A,hold=True) A + B` I think that some symbolics programs find a semi-canonical ordering and stick with that... Interestingly, `sage: C - Ax -Ax + C` so the minus sign comes out only with the fraction. It's conceivable that one could consider this inconsistency a bug, though I am not qualified to assess that. That said, perhaps one could make a feature request to control this, though I suspect this would be harder than one thinks.
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2013-10-25 13:54:56 +0200	commented answer	can sage stop ordering terms? If I had to guess, I'd say that Sage tries to guess the order of each term and sorts them accordingly. `x^3` will probably come before `x^2`, etc.
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2013-10-24 13:15:23 +0200	commented answer	can sage stop ordering terms? We definitely want B+A+B to become 2A+B, but I'm in a situation that I don't want B+2A to become 2A+B. That pretty much sums it up :) Thanks for the effort on the function! Looks good for simple expressions, though I doubt this approach can be flexible enough for more complex expressions, e.g. fractions, several parenthesis etc.
2013-10-24 08:58:50 +0200	asked a question	can sage stop ordering terms? Noob question incoming... sage: var('A B C x y') (A, B, C, x, y) sage: y == (C - Ax) / B y == -(Ax - C)/B What I would like/expect to get here is `y == (C - Ax)/B`. Is there a way to tell Sage to stop ordering terms? Rationale - the expression ultimately goes to `latex()` and I'd like to be able to control how the result looks like.