mvpa2.support.nibabel.surf.vector_alignment_find_rotation

mvpa2.support.nibabel.surf.vector_alignment_find_rotation(x, y)

Find rotation matrix to align one vector with another

Parameters:

x: np.ndarray :

vector with 3 elements that is to be aligned

y: np.ndarray :

vector with 3 elements to which y is to be aligned

Returns :

r: np.ndarray :

array of shape (3,3) so that the vector np.dot(r,x) points in the same direction as y, and has the same L2 norm as x

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