谈股论金的刘军老师的威廉指标修改？

修改的威廉指标公式，是不是这个

3个参数设置:N(7,1,999,1),N1(14,1,999,1),N2(21,1,999,1);
WR1:100-100*(HHV(HIGH,N)-CLOSE)/(HHV(HIGH,N)-LLV(LOW,N));
WR2:100-100*(HHV(HIGH,N1)-CLOSE)/(HHV(HIGH,N1)-LLV(LOW,N1));
WR3:100-100*(HHV(HIGH,N2)-CLOSE)/(HHV(HIGH,N2)-LLV(LOW,N2));