i am writing program, please correct it
from sage.crypto.boolean_function import BooleanFunction
R.<x,y,z>=BooleanPolynomialRing(order='lex')
def shift( S, h ):
(x,y,z)=S
h=x+y+z
(x,y,z )=( y,z,h )
return S
S=(x,y,z)
for i in range(2):
SS=shift(S)
S=SS
print S
but the problem is after first round it is not shifting
On Saturday, August 26, 2017 at 1:46:17 AM UTC+5:30, sant...@niser.ac.in
wrote:
>
> i am new in sage. and i want to define an array of dimension 79 and every
> time i want to save a new value in each array shell i.e. for i in range(79)
> a[i]= any value and also i want define a vector. can you help me out?
>
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