[Maxima] ev error in maxima
fateman at cs.berkeley.edu
Thu Jun 25 21:21:15 CDT 2009
Robert Dodier wrote:
> On Thu, Jun 25, 2009 at 1:59 PM, David
> Ronis<ronis at ronispc.chem.mcgill.ca> wrote:
>> setting v=0, which I did by ev(%, v=0, v=0); To my surprise, v
>> still appears in the result. Is this a bug, or am I missing something?
> Well, this isn't exactly a bug, but it is a deficiency in Maxima's
> binding mechanism. Only a symbol can be bound, not a
> subscripted variable. I think Maxima should treat subscripted
> variables just like unsubscripted ones, so that's a wart.
I suspect that is not the explanation..
ev(x+v,v=3) returns x+3.
I think the explanation is that v is a symbol, v is the 0th element
of an array with name v.
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