45 : this($
"TSF{period})", period)
73 xy += window[i].Value * (
Period - i);
80 xy += window[0].Value *
Period;
83 var bd = 1 / (
Period * x2 - x1 * x1);
84 var b = (
Period * xy - x1 * y) * bd;
85 var a = (y - b * x1) * (1m /
Period);
87 return a + b * (
Period + 1);