/** partial derivative of to-side active power w.r.t. to-side voltage magnitude */
public float getdTPdTVm() {
return _list.getdTPdTVm(_ndx);
}
/** partial derivative of to-side active power w.r.t. to-side voltage magnitude */
public float getdTPdTVm() {
return _list.getdTPdTVm(_ndx);
}
