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20111226 22:40:15 0500  commented answer  Can I add mathematical formulas to a plot? Thanks, this is the kind of solution I was hoping for. 
20111226 22:39:50 0500  marked best answer  Can I add mathematical formulas to a plot? Shashank told you how to do it in matplotlib (which comes with Sage)  matplotlib allows you a lot of control over your plots (I often use it for this reason), but as you can see, it involves a fair bit of boilerplate compared to Sage's plotting. If you want to add a formula to a Sage plot, then you can just use latex inside dollar signs, like you would in a .tex document: Here the 
20111226 22:39:46 0500  commented answer  Can I add mathematical formulas to a plot? Thanks for this example, i'll need some time though to learn what all the commands do. 
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20111226 10:11:26 0500  asked a question  Can I add mathematical formulas to a plot? I know that using one can easily add text to a plot in Sage. But searching the documentation I couldn't find a way to add a formula, say $\frac{1}{\sqrt{x^21}}$.
Ideally using LaTeX to enter the formula. 
20110701 05:40:12 0500  marked best answer  How to give latex names to generators of polynomial rings? First of all, when you define It is a very common mistake to confuse these two very different objects, and I recommend that you carefully decide whether you want to work with polynomials (i.e., you have a polynomial ring, ideals, want to compute Gröbner bases and those things) or with symbolic expressions (they may happen to look like a polynomial, but provide largely different features). In particular, since You could do: I think it is a hack, and there should be a method, say, 
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20110630 06:37:34 0500  commented answer  How to give latex names to generators of polynomial rings? Thanks! That seems to work. Indeed there are several things I don't quite understand about variables and how they are handled and accessed. I knew that there was a difference between symbolic variables and generators of a polynomial ring. So in my example the symbolic variable was redefined to be a generator of a polynomial ring and got lost? Anyway I do indeed need Groebner bases so symbolic variables should not be of interest in my situation. 
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20110630 05:18:10 0500  asked a question  How to give latex names to generators of polynomial rings? Apologies if I don't use the right terminology in my question. I'm fairly new to Sage and programming. The question is basically in the title but here are more details: Ideally I would like to create a multivariate polynomial ring with generators indexed by multiindices. As far as I understand this is not directly supported at the moment, although I've found a useful workaround here. What I'm missing though is the ability to display these generators correctly in LaTex (say as a_{i,j}). I know that one can assign latex names to symbolic variables with the command
And I've tried putting this before the definition of my polynomial ring. But as soon as I declare the polynomial ring the latex name I assigned seems to be forgotten:
So:
