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2014-02-12 18:03:49 +0200 asked a question resultant and gcd over real ?

The resultant and gcd work well over rational but not over real or complex!

R.<x,y> = PolynomialRing(RR,2)
a = x^2 + y
b = x - y^2

This does not work while with QQ, it works. Anyone has an idea?

2014-01-23 07:16:42 +0200 asked a question where are notebook files ?


I am working with ubuntu on two computers and I use unison to synchronize them. If I understand well, the notebook files are hidden in .sage/sage_notebook.sagenb/home/admin/ every worksheet give a new folder called 0/ 1/ 2/ where you can find files like "cells data snapshots worksheet_conf.pickle worksheet.html" The thing I write and my worksheet are written in the file "worksheet.html". Is it possible to change these names 0/ 1/ to have a real file like interplation.sws ?

thank a lot for some explanations Etienne