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D.12.3.13 powerX
Procedure from library
crypto.lib
(see
crypto_lib
).
Usage:
powerX(q,i,I);
Return:
the q-th power of the i-th variable modulo I
Assume:
I is a standard basis
Example:
LIB "crypto.lib"; ring R = 0,(x,y),dp; powerX(100,2,std(ideal(x3-1,y2-x))); ==> x2
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