J'v(x)=Jv−1(x)−Jv+1(x)2Y'v(x)=Yv−1(x)−Yv+1(x)2I'v(x)=Iv−1(x)+Iv+1(x)2K'v(x)=Kv−1(x)+Kv+1(x)−2j'n=(nx)jn(x)−jn+1(x)y'n=(nx)yn(x)−yn+1(x)