Module omix.api

Package omix.util.math.vector

Class Matrix2f

java.lang.Object

omix.util.math.vector.Matrix2f

public class Matrix2f
extends Object

This class is a 2 × 2 matrix with double precision.

Author:

Dr. Peter Droste, Omix Visualization

Constructor Summary

Constructors

Constructor	Description
Matrix2f()
Matrix2f(Vec2f p1, Vec2f p2)	The matrix has the form: |p1.x, p2.x| |p1.y, p2.y|

Method Summary

Modifier and Type	Method	Description
Vec2f	diag()	Returns the diagonal of the matrix as vector
Matrix2f	dot(float a)	Scale
Matrix2f	dot(Matrix2f matrix)	Scalar product
Vec2f	dot(Vec2f vector)	Product with a vector.
float	get(int i, int j)	Returns the value of the matrix index (i,j).
Matrix2f	plus(Matrix2f matrix)	Addition
void	set(int i, int j, float value)	Sets the value of the matrix index (i,j).
String	toString()
Matrix2f	transponate()	Transponates the matrix.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

Matrix2f

public Matrix2f()

Matrix2f

public Matrix2f(Vec2f p1, Vec2f p2)

The matrix has the form:
|p1.x, p2.x|
|p1.y, p2.y|

Parameters:

p1 -

p2 -

Method Details

transponate

public Matrix2f transponate()

Transponates the matrix.

Returns:

this^T

dot

public Matrix2f dot(Matrix2f matrix)

Scalar product

Parameters:

matrix -

Returns:

this⋅matrix

set

public void set(int i, int j, float value)

Sets the value of the matrix index (i,j).

Parameters:

i -

j -

value -

get

public float get(int i, int j)

Returns the value of the matrix index (i,j).

Parameters:

i -

j -

Returns:

value at i,j

plus

public Matrix2f plus(Matrix2f matrix)

Addition

Parameters:

matrix -

Returns:

this + matrix

dot

public Matrix2f dot(float a)

Scale

Parameters:

a -

Returns:

this⋅a

dot

public Vec2f dot(Vec2f vector)

Product with a vector.

Parameters:

vector -

Returns:

this⋅vector

diag

public Vec2f diag()

Returns the diagonal of the matrix as vector

Returns:

the diagonal of the matrix as vector

toString

public String toString()

Overrides:

toString in class Object

See Also:

Object.toString()