On 5/29/07, Kiran S. Kedlaya <[EMAIL PROTECTED]> wrote: > I see that in recent versions of SAGE, referring to an object not > previously created generates a Maxima symbolic object.
That's not what's actually happening. What's happening is that the file
sage/calculus/predefined.py
predefines just the single letters of the alphabet (except e and i)
to be symbolic variables.
> Is there a global
> toggle to turn on/off this behavior? I can see the value of this in an
> interactive setting, but when programming I would sometimes rather get
> an error when trying to refer to a previously undefined object.
There is currently no function to clear these,
so I just wrote one. The attached patch adds a function clear_vars()
that when called removes all 1-letter symbolic variables that are
currently defined.
William
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4705.patch
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