public IFunction3 <T> GetEquationForD2y()
{
return(new NativeFunction3 <T>(
Calculator,
// args = (x, y, y`)
(args) => (
Calculator.Add(
Calculator.Add(
Calculator.Multiply(Px.Evaluate(args.Item1), args.Item3), //P(x)*y`
Calculator.Multiply(Qx.Evaluate(args.Item1), args.Item2) //Q(x)*y
),
Rx.Evaluate(args.Item1) //R(x)
)
)
));
}
public override int GetHashCode()
{
int hash = 1;
if (Qx != 0D)
{
hash ^= Qx.GetHashCode();
}
if (Qy != 0D)
{
hash ^= Qy.GetHashCode();
}
if (Qz != 0D)
{
hash ^= Qz.GetHashCode();
}
if (Qw != 0D)
{
hash ^= Qw.GetHashCode();
}
return(hash);
}
/// <summary>
/// 取权限集合
/// </summary>
public void getQxs()
{
try
{
string str_con = ConnStr.Instance().Constr;//@"Data Source=169.85.170.18;Initial Catalog=LZK;User ID=lzk;pwd=lzk2009~";
SqlConnection sqlc = new SqlConnection(str_con);
string str_cm = "select global_qx.xtid,global_qx.qx from global_user,global_qx where global_user.userid=global_qx.userid and global_use.name='" + name + "' and global_use.pwd='" + pwd + "'";
SqlCommand sqlcomd = new SqlCommand(str_cm, sqlc);
sqlc.Open();
SqlDataReader dr = sqlcomd.ExecuteReader();
while (dr.Read())
{
Qx q1 = new Qx();
q1.xt = dr.GetInt16(0);
q1.qx = dr.GetInt16(1);
qxs.Add(q1);
}
dr.Close();
sqlc.Close();
}
catch
{ }
}