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Standalone Python/Sage Scripts

asked 2016-06-07 09:29:42 +0200

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The tutorial example from

is working only for integers. It does not work for symbolic expressions. It becomes working by renaming the script from "factor" to "factor.sage" and replacing the last line by

print factor(sage_eval(sys.argv[1],locals={'x':x}))

Is there anything wrong in my configuration of Sage?

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answered 2016-06-07 10:01:24 +0200

tmonteil gravatar image

I got the same, it seems indeed that the symbol x is not injected into the global namespace, but the following works:

./factor "sage.calculus.var.SR.symbol('x')^2+3*sage.calculus.var.SR.symbol('x')"
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Asked: 2016-06-07 09:29:42 +0200

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Last updated: Jun 07 '16