SqlFunctions.Atan 方法
定义
一个数学函数,该函数返回其正切为指定数值的角(以弧度表示)。A mathematical function that returns the angle, in radians, whose tangent is the specified numerical value. 此角称作反正切。This angle is called the arctangent.
重载
| Atan(Nullable<Decimal>) |
一个数学函数,该函数返回其正切为指定数值的角(以弧度表示)。A mathematical function that returns the angle, in radians, whose tangent is the specified numerical value. 此角称作反正切。This angle is called the arctangent. |
| Atan(Nullable<Double>) |
一个数学函数,该函数返回其正切为指定数值的角(以弧度表示)。A mathematical function that returns the angle, in radians, whose tangent is the specified numerical value. 此角称作反正切。This angle is called the arctangent. |
注解
不能直接调用此函数。You cannot call this function directly. 此函数只能出现在 LINQ to Entities 查询中。This function can only appear within a LINQ to Entities query.
此函数已转换为数据库中的相应函数。This function is translated to a corresponding function in the database. 有关相应 SQL Server 函数的信息,请参阅 ATAN (transact-sql) 。For information about the corresponding SQL Server function, see ATAN (Transact-SQL).
Atan(Nullable<Decimal>)
一个数学函数,该函数返回其正切为指定数值的角(以弧度表示)。A mathematical function that returns the angle, in radians, whose tangent is the specified numerical value. 此角称作反正切。This angle is called the arctangent.
public:
static Nullable<double> Atan(Nullable<System::Decimal> arg);
[System.Data.Objects.DataClasses.EdmFunction("SqlServer", "ATAN")]
public static double? Atan (decimal? arg);
[<System.Data.Objects.DataClasses.EdmFunction("SqlServer", "ATAN")>]
static member Atan : Nullable<decimal> -> Nullable<double>
Public Shared Function Atan (arg As Nullable(Of Decimal)) As Nullable(Of Double)
参数
返回
以弧度计量的角度。An angle, measured in radians.
- 属性
注解
不能直接调用此函数。You cannot call this function directly. 此函数只能出现在 LINQ to Entities 查询中。This function can only appear within a LINQ to Entities query.
此函数已转换为数据库中的相应函数。This function is translated to a corresponding function in the database. 有关相应 SQL Server 函数的信息,请参阅 ATAN (transact-sql) 。For information about the corresponding SQL Server function, see ATAN (Transact-SQL).
适用于
Atan(Nullable<Double>)
一个数学函数,该函数返回其正切为指定数值的角(以弧度表示)。A mathematical function that returns the angle, in radians, whose tangent is the specified numerical value. 此角称作反正切。This angle is called the arctangent.
public:
static Nullable<double> Atan(Nullable<double> arg);
[System.Data.Objects.DataClasses.EdmFunction("SqlServer", "ATAN")]
public static double? Atan (double? arg);
[<System.Data.Objects.DataClasses.EdmFunction("SqlServer", "ATAN")>]
static member Atan : Nullable<double> -> Nullable<double>
Public Shared Function Atan (arg As Nullable(Of Double)) As Nullable(Of Double)
参数
返回
以弧度计量的角度。An angle, measured in radians.
- 属性
注解
不能直接调用此函数。You cannot call this function directly. 此函数只能出现在 LINQ to Entities 查询中。This function can only appear within a LINQ to Entities query.
此函数已转换为数据库中的相应函数。This function is translated to a corresponding function in the database. 有关相应 SQL Server 函数的信息,请参阅 ATAN (transact-sql) 。For information about the corresponding SQL Server function, see ATAN (Transact-SQL).