1-D, 2-D, Typesetting, and all that jazz

PatrickT — Thu, 24 Nov 2011 15:53:12 Z

coming a few months late to this, but since there has been no reply, here a pertinent discussion:

http://www.mapleprimes.com/questions/40724-Symbols-In-Textplot-And-Plot

This explanation, coming from Paulina Chin of Maplesoft, is worth quoting in full,

First, rest assured that we don't really expect users to figure out how to use the internal typesetting representation and generate those ugly strings with msubs and all. You shouldn't have to do this. The easiest approach, if possible, is not to use 1-D input at all. In a 2-D input line, enter textplot([0.75, 0.4, 2-d-expression]). Where I've written 2-d-expression, go to the Layout palette, choose the expression you want and fill in the entries. Then execute and you should get the result you want. If there's a chance that the entry might evaluate or parse incorrectly, then it's best to select the expression and convert into an atomic identifier using the context menu. If you must use 1-D input (e.g. you're writing a procedure that's saved to a text file), you can still do this fairly easily. To get p with subscript g and superscript t, for example, use textplot([0.75, 0.4, typeset(p[g]^t)]). Doing typesetting in 1-D is a lot trickier because the expression must be parsed correctly in 1-D. So if you want t to be the symbol `*`, you must then resort to using something like Typesetting:-mo("*") because * has a particular meaning in 1-D math. Of course, as a developer, I'd prefer that you avoid using the internal undocumented representation unless it's absolutely necessary. You shouldn't have to do this in the majority of cases. Paulina Chin Maplesoft

But I found that something as simple as:

plots:-textplot([ 1, 1, typeset( y[bug] ) ]):

prints correctly inline, may be exported properly with a cumbersome right-click of the mouse, but causes Maple 15 to freeze when using plotsetup(ps, etc.

And while Maplesoft "don't really expect users to figure out how to use the internal typesetting representation and generate those ugly strings with msubs and all" ...

... that's exactly what they have to do!

typeset( `#msub(mi("y"),mi("bug")"))` )

PatrickT — Thu, 24 Nov 2011 15:58:26 Z

typeset( y[bug] ) would be rendered as typeset( `#msub(mi("y"),mi("bug")"))` ), etc.

MaplePrimes - answers and comments on Question, plotsetup subscript bug?

1-D, 2-D, Typesetting, and all that jazz

typeset( `#msub(mi("y"),mi("bug")"))` )