function h = h6(t0,t1) % h = h6(t0,t1) % length 6 orthogonal scaling filter as a function of 2 angles. % Ivan Selesnick, 1997 t2 = 1/4*pi-t0-t1; h(1) = cos(t2)*cos(t1)*cos(t0); h(2) = cos(t2)*cos(t1)*sin(t0); h(3) = -cos(t2)*sin(t1)*sin(t0)-sin(t2)*sin(t1)*cos(t0); h(4) = cos(t2)*sin(t1)*cos(t0)-sin(t2)*sin(t1)*sin(t0); h(5) = -sin(t2)*cos(t1)*sin(t0); h(6) = sin(t2)*cos(t1)*cos(t0);