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([12, 11, 5, 28, 30, 15, 13, 22, 7, 20], order=31) In [3]: y = np.negative(x); y Out[3]: GF([19, 20, 26, 3, 1, 16, 18, 9, 24, 11], 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([19, 20, 26, 3, 1, 16, 18, 9, 24, 11], order=31) In [6]: -1*x Out[6]: GF([19, 20, 26, 3, 1, 16, 18, 9, 24, 11], order=31)