np.negative
- np.negative(x)
Returns the element-wise additive inverse of a Galois field array.
References
Examples
In [1]: GF = galois.GF(31) In [2]: x = GF.Random(10); x Out[2]: GF([14, 9, 24, 5, 14, 18, 7, 17, 27, 8], order=31) In [3]: y = np.negative(x); y Out[3]: GF([17, 22, 7, 26, 17, 13, 24, 14, 4, 23], order=31) In [4]: x + y Out[4]: GF([0, 0, 0, 0, 0, 0, 0, 0, 0, 0], order=31)
In [5]: -x Out[5]: GF([17, 22, 7, 26, 17, 13, 24, 14, 4, 23], order=31) In [6]: -1*x Out[6]: GF([17, 22, 7, 26, 17, 13, 24, 14, 4, 23], order=31)