Re: superscript, subscript, Greek characters in plot labels?

[Quentin Spencer]

A S Hodel wrote:

> I had a similar question last spring. The best answer of the many 
> provided involves the use of the script fig2ps and a slight 
> modification to the octave-forge print.m function so that it generates 
> fig files with "special" text. 


I also use fig2ps and recommend it.

> You also need to pay attention to the fact that the backslash 
> character "\" is escaped a couple of times in the octave scripts, so 
> you need to write
> \\\\omega
> instead of
> \omega
> in the octave plot command legend, or, if you use the octave-forge 
> legend command,
> I think you need eight backslashes instead of four. Weird and 
> annoying, but you get what you want in the output.


Another way to deal with this problem is using the undo_string_escapes 
function:
octave:1> undo_string_escapes('\a')
ans = \\a
octave:2> undo_string_escapes('\\a')
ans = \\\\a

I've also noticed the need for a potentially large number of backslashes 
when using certain commands like legend. Ideally, those functions should 
be calling undo_string_escapes internally each time they evaluate the 
strings so that the number of backslahes you need is always consistent. 
Are the legend commands the only ones you've found with this problem?

-Quentin



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