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([ 5, 4, 15, 9, 29, 17, 22, 19, 6, 17], order=31) In [3]: y = np.negative(x); y Out[3]: GF([26, 27, 16, 22, 2, 14, 9, 12, 25, 14], 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([26, 27, 16, 22, 2, 14, 9, 12, 25, 14], order=31) In [6]: -1*x Out[6]: GF([26, 27, 16, 22, 2, 14, 9, 12, 25, 14], order=31)