np.subtract

np.subtract(x, y)

Subtracts two Galois field arrays element-wise.

References

Examples

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

In [2]: x = GF.Random(10); x
Out[2]: GF([14,  5, 21, 17, 20,  3, 17,  1, 13, 20], order=31)

In [3]: y = GF.Random(10); y
Out[3]: GF([20,  6, 29,  5, 16, 29,  5, 11, 17, 24], order=31)

In [4]: np.subtract(x, y)
Out[4]: GF([25, 30, 23, 12,  4,  5, 12, 21, 27, 27], order=31)

In [5]: x - y
Out[5]: GF([25, 30, 23, 12,  4,  5, 12, 21, 27, 27], order=31)