xarray.ufuncs.sign¶
- xarray.ufuncs.sign = <xarray.ufuncs._UFuncDispatcher object at 0x7f7e17893590>¶
xarray specific variant of numpy.sign. Handles xarray.Dataset, xarray.DataArray, xarray.Variable, numpy.ndarray and dask.array.Array objects with automatic dispatching.
Documentation from numpy:
sign(x[, out])
Returns an element-wise indication of the sign of a number.
The sign function returns -1 if x < 0, 0 if x==0, 1 if x > 0.
Parameters: x : array_like
Input values.
Returns: y : ndarray
The sign of x.
Examples
>>> np.sign([-5., 4.5]) array([-1., 1.]) >>> np.sign(0) 0