I tried the example
sage: s = singular.eval
sage: s('LIB "surf.lib";')
...
sage: s("ring rr0 = 0,(x1,x2),dp;")
...
sage: s("ideal I = x1^3 - x2^2;")
''
sage: s("plot(I);")
in http://www.dms.umontreal.ca/~math/logiciels/Sage/const/node18.html#ch:AG
Looks like surf has been loaded and everything is fine but at the end
I got:
Traceback (click to the left for traceback)
...
skipping text from `;` error at token `)`
Any help?
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