qspec.angle_d  (  x ,  x_d ,  y ,  y_d ,  axis = -1  )[source]

Parameters:

xarray_like

The first vectors (arb. units).

x_darray_like

The uncertainties of the first vectors ([x]).

yarray_like

The second vectors ([x]).

y_darray_like

The uncertainties of the second vectors ([x]).

axisNone

The axis along which the vector components are aligned.

Returns:

outNone

The angle between two vectors x and y (rad).

Raises:

ValueError

The shapes of x and y must be compatible.