OracleNumber.Log 方法

定义

OracleNumber 执行对数计算。Performs a logarithmic calculation on an OracleNumber.

重载

Log(OracleNumber)

计算 OracleNumber 的自然对数。Calculates natural logarithm of an OracleNumber. 自然对数基于常数 e (2.71828182845904)。Natural logarithms are based on the constant e (2.71828182845904).

Log(OracleNumber, OracleNumber)

OracleNumber 计算为您指定的基。Calculates an OracleNumber to the base you specify.

Log(OracleNumber, Int32)

OracleNumber 计算为您指定的基。Calculates an OracleNumber to the base you specify.

Log(OracleNumber)

计算 OracleNumber 的自然对数。Calculates natural logarithm of an OracleNumber. 自然对数基于常数 e (2.71828182845904)。Natural logarithms are based on the constant e (2.71828182845904).

public:
 static System::Data::OracleClient::OracleNumber Log(System::Data::OracleClient::OracleNumber n);
public static System.Data.OracleClient.OracleNumber Log (System.Data.OracleClient.OracleNumber n);
static member Log : System.Data.OracleClient.OracleNumber -> System.Data.OracleClient.OracleNumber
Public Shared Function Log (n As OracleNumber) As OracleNumber

参数

n
OracleNumber

OracleNumber 结构。An OracleNumber structure.

返回

OracleNumber

n 的自然对数。The natural logarithm of n.

适用于

Log(OracleNumber, OracleNumber)

OracleNumber 计算为您指定的基。Calculates an OracleNumber to the base you specify.

public:
 static System::Data::OracleClient::OracleNumber Log(System::Data::OracleClient::OracleNumber n, System::Data::OracleClient::OracleNumber newBase);
public static System.Data.OracleClient.OracleNumber Log (System.Data.OracleClient.OracleNumber n, System.Data.OracleClient.OracleNumber newBase);
static member Log : System.Data.OracleClient.OracleNumber * System.Data.OracleClient.OracleNumber -> System.Data.OracleClient.OracleNumber
Public Shared Function Log (n As OracleNumber, newBase As OracleNumber) As OracleNumber

参数

n
OracleNumber

OracleNumber 结构。An OracleNumber structure.

newBase
OracleNumber

用户指定的 OracleNumberA user-specified OracleNumber.

返回

OracleNumber

指定数字在使用指定底时的对数。The logarithm of a specified number in a specified base.

适用于

Log(OracleNumber, Int32)

OracleNumber 计算为您指定的基。Calculates an OracleNumber to the base you specify.

public:
 static System::Data::OracleClient::OracleNumber Log(System::Data::OracleClient::OracleNumber n, int newBase);
public static System.Data.OracleClient.OracleNumber Log (System.Data.OracleClient.OracleNumber n, int newBase);
static member Log : System.Data.OracleClient.OracleNumber * int -> System.Data.OracleClient.OracleNumber
Public Shared Function Log (n As OracleNumber, newBase As Integer) As OracleNumber

参数

n
OracleNumber

OracleNumber 结构。An OracleNumber structure.

newBase
Int32

用户指定的整数。User-specified integer.

返回

OracleNumber

指定数字在使用指定底时的对数。The logarithm of a specified number in a specified base.

适用于