% -*- texinfo -*-
% @deftypefn {Function File} {} qtransvmat (@var{qib})
% Construct a 3x3 transformation matrix from quaternion @var{qib} that
% is equivalent to rotation of th radians about axis @var{vv}, where
% @code{[@var{vv}, @var{th}] = quaternion (@var{qib})}.
% @end deftypefn