>> OK. Which formulas?
> 
> First check out the thread in povray.documentation.inbuilt posted by SharkD 
> ... titled "Problem with formula in blob ..." for background

All it seems to say is that there should be a "min" in there. What do 
you actually want to change in the formula?

> then go to the 
> Wiki section here:
> 
> http://wiki.povray.org/content/Documentation:Reference_Section_4#Blob
> 
> I've isolated the formula in question on a talk page so you can fiddle with 
> it if you like.

I notice the brackets around the fraction aren't tall enough to enclose 
it properly. You can fix it like so:

   ( \frac{...}{...} )

becomes

   \left( \frac{...}{...} \right)

I should perhaps also point out that, technically, when TeX sees 
<math>cat</math>, it interprets it as "c * a * t", which probably isn't 
what you want. Use <math>\text{\it cat}</math> instead. (There's a 
subtle difference in the letter spacing - and also the typeface is 
slightly different.)

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*

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