np.negative¶
- np.negative(x)[source]¶
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([18, 20, 22, 22, 24, 5, 23, 27, 23, 21], order=31) In [3]: y = np.negative(x); y Out[3]: GF([13, 11, 9, 9, 7, 26, 8, 4, 8, 10], 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([13, 11, 9, 9, 7, 26, 8, 4, 8, 10], order=31) In [6]: -1*x Out[6]: GF([13, 11, 9, 9, 7, 26, 8, 4, 8, 10], order=31)