Comment #5 on issue 1678 by oscar.bristol: Incorrect latex formatting of  
powers of square roots.
http://code.google.com/p/sympy/issues/detail?id=1678

I created issue 1691, an exact duplicate of this issue as I didn't notice  
this one.

Initially, I misunderstood the code here. The problem, I believe, is mainly  
that the
test condition for executing this code is inappropriate. The test matches  
expressions
of type x**(n/2). I guess it was intended to match expressions of type  
x**(1/n), in
which case $\sqrt[n]{x}$ would be appropiate latex code.

I've attached a patch that does this.

The difference between the attached patch and Jorn's patch above is whether  
or not
e.g. x**(1/3) will be formatted as $\sqrt[3]{x}$ or $x^{\frac{1}{3}}$.



Attachments:
        use-denominator-of-rational-power-as-root-degree.patch  729 bytes

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