np.negative¶

np.negative(x)[source]¶

Returns the element-wise additive inverse of a Galois field array.

References

https://numpy.org/doc/stable/reference/generated/numpy.negative.html

Examples

In [1]: GF = galois.GF(31)

In [2]: x = GF.Random(10); x
Out[2]: GF([ 8, 13,  2, 26, 19, 16, 20, 13,  7,  2], order=31)

In [3]: y = np.negative(x); y
Out[3]: GF([23, 18, 29,  5, 12, 15, 11, 18, 24, 29], 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([23, 18, 29,  5, 12, 15, 11, 18, 24, 29], order=31)

In [6]: -1*x
Out[6]: GF([23, 18, 29,  5, 12, 15, 11, 18, 24, 29], order=31)