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D.12.2.4 eexgcdN

Procedure from library crypto.lib (see crypto_lib).

Usage:
eexgcdN(L);

Return:
list T such that sum_i L[i]*T[i]=T[n+1]=gcd(L[1],...,L[n])

Example:
 
LIB "crypto.lib";
eexgcdN(list(24,15,21));
==> [1]:
==>    2
==> [2]:
==>    -3
==> [3]:
==>    0
==> [4]:
==>    3

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