Vector.Multiply 操作员

定义

命名空间:
System.Windows
程序集:
WindowsBase.dll

乘以指定的VectorDouble值，Matrix或Vector返回结果。

重载

名称 说明
Multiply(Vector, Matrix)

使用指定的向量转换指定 Matrix矢量的坐标空间。
Multiply(Vector, Vector)

计算两个指定向量结构的点积，并返回结果作为一个 Double。
Multiply(Double, Vector)

将指定的标量乘以指定的向量并返回生成的向量。
Multiply(Vector, Double)

将指定的向量乘以指定的标量并返回生成的向量。

Multiply(Vector, Matrix)

使用指定的向量转换指定 Matrix矢量的坐标空间。

public:
 static System::Windows::Vector operator *(System::Windows::Vector vector, System::Windows::Media::Matrix matrix);
public static System.Windows.Vector operator *(System.Windows.Vector vector, System.Windows.Media.Matrix matrix);
static member ( * ) : System.Windows.Vector * System.Windows.Media.Matrix -> System.Windows.Vector
Public Shared Operator * (vector As Vector, matrix As Matrix) As Vector

参数

vector
Vector

要转换的向量。

matrix
Matrix

要应用于 vector的转换。

返回

Vector

转换的结果vector。matrix

示例

以下示例演示如何使用此运算符 \ 将结构乘以VectorMatrix结构。

private Vector overloadedMultiplyVectorByMatrixOperatorExample()
{
    Vector vector1 = new Vector(20, 30);
    Matrix matrix1 = new Matrix(40, 50, 60, 70, 80, 90);
    Vector vectorResult = new Vector();

    // Multiply the vector and matrix.
    // vectorResult is equal to (2600,3100).
    vectorResult = vector1 * matrix1;

    return vectorResult;
}

Private Function overloadedMultiplyVectorByMatrixOperatorExample() As Vector
    Dim vector1 As New Vector(20, 30)
    Dim matrix1 As New Matrix(40, 50, 60, 70, 80, 90)
    Dim vectorResult As New Vector()

    ' Multiply the vector and matrix.
    ' vectorResult is equal to (2600,3100).
    vectorResult = vector1 * matrix1

    Return vectorResult

End Function

另请参阅

适用于

Multiply(Vector, Vector)

计算两个指定向量结构的点积，并返回结果作为一个 Double。

public:
 static double operator *(System::Windows::Vector vector1, System::Windows::Vector vector2);
public static double operator *(System.Windows.Vector vector1, System.Windows.Vector vector2);
static member ( * ) : System.Windows.Vector * System.Windows.Vector -> double
Public Shared Operator * (vector1 As Vector, vector2 As Vector) As Double

参数

vector1
Vector

要相乘的第一个向量。

vector2
Vector

要相乘的第二个向量。

返回

Double

返回一个Double包含其标量点乘积，vector1该积vector2使用以下公式计算：

vector1.X * vector2.X + vector1.Y * vector2.Y

示例

以下示例演示如何使用此运算符 \ 将结构乘 Vector 以一个 Vector。

private Double overloadedOperatorGetDotProductExample()
{
    Vector vector1 = new Vector(20, 30);
    Vector vector2 = new Vector(45, 70);

    // Return the dot product of the two specified vectors
    // using the overloaded "*" operator.
    // The dot product is calculated using the following 
    // formula: (vector1.X * vector2.X) + (vector1.Y * vector2.Y).
    // doubleResult is equal to 3000
    Double doubleResult = Vector.Multiply(vector1, vector2);

    return doubleResult;
}

Private Function overloadedOperatorGetDotProductExample() As Double
    Dim vector1 As New Vector(20, 30)
    Dim vector2 As New Vector(45, 70)

    ' Return the dot product of the two specified vectors
    ' using the overloaded "*" operator.
    ' The dot product is calculated using the following 
    ' formula: (vector1.X * vector2.X) + (vector1.Y * vector2.Y).
    ' doubleResult is equal to 3000
    Dim doubleResult As Double = Vector.Multiply(vector1, vector2)

    Return doubleResult

End Function

另请参阅

适用于

Multiply(Double, Vector)

将指定的标量乘以指定的向量并返回生成的向量。

public:
 static System::Windows::Vector operator *(double scalar, System::Windows::Vector vector);
public static System.Windows.Vector operator *(double scalar, System.Windows.Vector vector);
static member ( * ) : double * System.Windows.Vector -> System.Windows.Vector
Public Shared Operator * (scalar As Double, vector As Vector) As Vector

参数

scalar
Double

要相乘的标量。

vector
Vector

要相乘的向量。

返回

Vector

乘 scalar 法和 vector.

示例

下面的示例演示如何使用此运算符 \ 将标量乘以 Vector 结构。

private Vector overloadedMultiplicationOperatorExample2()
{
    Vector vector1 = new Vector(20, 30);
    Double scalar1 = 75;

    // vectorResult is equal to (1500,2250)
    Vector vectorResult = scalar1 * vector1;

    return vectorResult;
}

Private Function overloadedMultiplicationOperatorExample2() As Vector
    Dim vector1 As New Vector(20, 30)
    Dim scalar1 As Double = 75

    ' vectorResult is equal to (1500,2250)
    Dim vectorResult As Vector = scalar1 * vector1

    Return vectorResult

End Function

另请参阅

适用于

Multiply(Vector, Double)

将指定的向量乘以指定的标量并返回生成的向量。

public:
 static System::Windows::Vector operator *(System::Windows::Vector vector, double scalar);
public static System.Windows.Vector operator *(System.Windows.Vector vector, double scalar);
static member ( * ) : System.Windows.Vector * double -> System.Windows.Vector
Public Shared Operator * (vector As Vector, scalar As Double) As Vector

参数

vector
Vector

要相乘的向量。

scalar
Double

要相乘的标量。

返回

Vector

乘 vector 法和 scalar.

示例

以下示例演示如何使用此运算符 \ 将结构乘 Vector 以标量。

private Vector overloadedMultiplicationOperatorExample1()
{
    Vector vector1 = new Vector(20, 30);
    Double scalar1 = 75;

    // vectorResult is equal to (1500,2250)
    Vector vectorResult = vector1 * scalar1;

    return vectorResult;
}

Private Function overloadedMultiplicationOperatorExample1() As Vector
    Dim vector1 As New Vector(20, 30)
    Dim scalar1 As Double = 75

    ' vectorResult is equal to (1500,2250)
    Dim vectorResult As Vector = vector1 * scalar1

    Return vectorResult

End Function

另请参阅

适用于