Le 29/06/2011 22:22, Michael Orlitzky a écrit :
This is probably just a case of "don't do that," but I thought I'd check:
sage: c = [ var('c[0]') ]
sage: system = c[0]*x == 1
sage: solve(system, c[0])
<boom>
...
TypeError: unable to make sense of Maxima expression '[c[0]==1/x]' in
Sage
Maybe you want to do something like that :
sage: a=var('x,y,z')
sage: a
[x, y, z]
sage: solve( a[0]*x==x,x) # This is x^2==x
[x == 0, x == 1]
If you need to generate n variables:
sage: s=",".join(["a"+str(i) for i in range(1,10)])
sage: a=var(s)
sage: a[5]
a6
sage: a4*2
2*a4
Hope it hels in some way
Laurent
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