public static NGHIEM Nghiem(BAT_PHUONG_TRINH P) { NGHIEM kq; kq.CanDuoi = Double.MaxValue; kq.CanTren = Double.MinValue; if (P.a == 0) { if (P.b >= 0) { kq.CanDuoi = Double.MinValue; kq.CanTren = Double.MaxValue; } } else if (P.a > 0) { kq.CanDuoi = -P.b / P.a; kq.CanTren = Double.MaxValue; } else if (P.a < 0) { kq.CanDuoi = Double.MinValue; kq.CanTren = -P.b / P.a; } return(kq); }
public static String XuatChuoi(BAT_PHUONG_TRINH P) { String kq; kq = XuLySoThuc.XuatChuoi(P.a) + "x + " + XuLySoThuc.XuatChuoi(P.b) + ">=0"; return(kq); }