np.trace
- np.trace(x)
Returns the sum along the diagonal of a Galois field array.
References
Examples
In [1]: GF = galois.GF(31) In [2]: A = GF.Random((5,6)); A Out[2]: GF([[ 9, 19, 9, 30, 17, 27], [17, 14, 28, 19, 19, 7], [ 7, 27, 2, 22, 30, 0], [28, 9, 1, 25, 14, 16], [12, 21, 20, 30, 15, 24]], order=31) In [3]: np.trace(A) Out[3]: GF(3, order=31) In [4]: A[0,0] + A[1,1] + A[2,2] + A[3,3] + A[4,4] Out[4]: GF(3, order=31)
In [5]: np.trace(A, offset=1) Out[5]: GF(14, order=31) In [6]: A[0,1] + A[1,2] + A[2,3] + A[3,4] + A[4,5] Out[6]: GF(14, order=31)