Actually i want do the following thing:
first i want to define n boolean variables say x1,....xn then i want to
update each variable by a function of x1,x2.....,xn in each step. That
means in first step x1 will be updated by an boolean expression of
x1,....,xn. second step also it will be updated by another boolean
expression. And finally i want to find the expresion of say xi.
for i =1 to k
{ x1=f1(x1,...,xn)
x2=f2(x1,...,xn)
...
...
xn=fn(x1,...,xn)
}
finally return x1,....,xn
On Saturday, January 3, 2015 2:29:21 PM UTC+5:30, Dibyendu Roy wrote:
>
> I am learning sage for first time. I want to do iteration in boolean
> polynomial ring.
>
> sage: from polybori import *
> sage: declare_ring([Block('x',177),Block('y',2)],globals())
> sage: r
> sage: x(1)=x(0)*y(0)
>
> Its showing me following error
>
> ValueError: Argument names should be valid python identifiers.
>
> actually i want to update the variables x(1) by x(0)*y(0). please help me
>
>
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