Vector.Multiply Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Overloads
Multiply(Double, Vector) |
Multiplies the specified scalar by the specified vector and returns the resulting Vector. |
Multiply(Vector, Double) |
Multiplies the specified vector by the specified scalar and returns the resulting Vector. |
Multiply(Vector, Matrix) |
Transforms the coordinate space of the specified vector using the specified Matrix. |
Multiply(Vector, Vector) |
Calculates the dot product of the two specified vectors and returns the result as a Double. |
Multiply(Double, Vector)
Multiplies the specified scalar by the specified vector and returns the resulting Vector.
public:
static System::Windows::Vector Multiply(double scalar, System::Windows::Vector vector);
public static System.Windows.Vector Multiply (double scalar, System.Windows.Vector vector);
static member Multiply : double * System.Windows.Vector -> System.Windows.Vector
Public Shared Function Multiply (scalar As Double, vector As Vector) As Vector
Parameters
- scalar
- Double
The scalar to multiply.
- vector
- Vector
The vector to multiply.
Returns
The result of multiplying scalar
and vector
.
Examples
The following example shows how to use this method to multiply a scalar by a Vector.
private Vector multiplyVectorByScalarExample2()
{
Vector vector1 = new Vector(20, 30);
Double scalar1 = 75;
Vector vectorResult = new Vector();
// Multiply the vector by the scalar.
// vectorResult is equal to (1500,2250)
vectorResult = Vector.Multiply(scalar1, vector1);
return vectorResult;
}
See also
Applies to
Multiply(Vector, Double)
Multiplies the specified vector by the specified scalar and returns the resulting Vector.
public:
static System::Windows::Vector Multiply(System::Windows::Vector vector, double scalar);
public static System.Windows.Vector Multiply (System.Windows.Vector vector, double scalar);
static member Multiply : System.Windows.Vector * double -> System.Windows.Vector
Public Shared Function Multiply (vector As Vector, scalar As Double) As Vector
Parameters
- vector
- Vector
The vector to multiply.
- scalar
- Double
The scalar to multiply.
Returns
The result of multiplying vector
and scalar
.
Examples
The following example shows how to use this method to multiply a Vector by a scalar.
private Vector multiplyVectorByScalarExample1()
{
Vector vector1 = new Vector(20, 30);
Double scalar1 = 75;
Vector vectorResult = new Vector();
// Multiply the vector by the scalar.
// vectorResult is equal to (1500,2250)
vectorResult = Vector.Multiply(vector1, scalar1);
return vectorResult;
}
See also
Applies to
Multiply(Vector, Matrix)
Transforms the coordinate space of the specified vector using the specified Matrix.
public:
static System::Windows::Vector Multiply(System::Windows::Vector vector, System::Windows::Media::Matrix matrix);
public static System.Windows.Vector Multiply (System.Windows.Vector vector, System.Windows.Media.Matrix matrix);
static member Multiply : System.Windows.Vector * System.Windows.Media.Matrix -> System.Windows.Vector
Public Shared Function Multiply (vector As Vector, matrix As Matrix) As Vector
Parameters
- vector
- Vector
The vector structure to transform.
- matrix
- Matrix
The transformation to apply to vector
.
Returns
The result of transforming vector
by matrix
.
Examples
The following example shows how to use this method to multiply a Vector by a Matrix.
private Vector multiplyVectorByMatrixExample()
{
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 = Vector.Multiply(vector1, matrix1);
return vectorResult;
}
See also
Applies to
Multiply(Vector, Vector)
Calculates the dot product of the two specified vectors and returns the result as a Double.
public:
static double Multiply(System::Windows::Vector vector1, System::Windows::Vector vector2);
public static double Multiply (System.Windows.Vector vector1, System.Windows.Vector vector2);
static member Multiply : System.Windows.Vector * System.Windows.Vector -> double
Public Shared Function Multiply (vector1 As Vector, vector2 As Vector) As Double
Parameters
- vector1
- Vector
The first vector to multiply.
- vector2
- Vector
The second vector structure to multiply.
Returns
A Double containing the scalar dot product of vector1
and vector2
, which is calculated using the following formula:
(vector1.X * vector2.X) + (vector1.Y * vector2.Y)
Examples
The following example shows how to use this method to multiply a Vector by a Vector.
private Double getDotProductExample()
{
Vector vector1 = new Vector(20, 30);
Vector vector2 = new Vector(45, 70);
Double doubleResult;
// Return the dot product of the two specified vectors.
// The dot product is calculated using the following
// formula: (vector1.X * vector2.X) + (vector1.Y * vector2.Y).
// doubleResult is equal to 3000
doubleResult = Vector.Multiply(vector1, vector2);
return doubleResult;
}
See also
Applies to
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