Comment #12 on issue 2818 by smi...@gmail.com: factor() returns nan http://code.google.com/p/sympy/issues/detail?id=2818
see comment 5: tug stands for Text of Uuencoded Gzip and gut (which produced the output of comment 5) is Gzip of Uuencoded Text. They are two functions that I wrote for needs such as this.
I would actually like to include tug and gut in miscellaneous as a means of being able to share expressions in contexts like this where wrapping of long expressions can lead to problems in sharing them with each other online.
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