maspack.matrix
Class Matrix6x2

java.lang.Object
  extended by maspack.matrix.MatrixBase
      extended by maspack.matrix.DenseMatrixBase
          extended by maspack.matrix.Matrix6x2
All Implemented Interfaces:
DenseMatrix, LinearTransformNd, Matrix
Direct Known Subclasses:
Matrix6x2Block

public class Matrix6x2
extends DenseMatrixBase

Implements a 6 x 2 matrix


Nested Class Summary
 
Nested classes/interfaces inherited from interface maspack.matrix.Matrix
Matrix.Partition, Matrix.WriteFormat
 
Field Summary
 double m00
           
 double m01
           
 double m10
           
 double m11
           
 double m20
           
 double m21
           
 double m30
           
 double m31
           
 double m40
           
 double m41
           
 double m50
           
 double m51
           
static Matrix6x2 ZERO
          Global zero matrix.
 
Fields inherited from interface maspack.matrix.Matrix
INDEFINITE, POSITIVE_DEFINITE, SPD, SYMMETRIC
 
Constructor Summary
Matrix6x2()
          Creates a new Matrix6x2.
 
Method Summary
 void add(Matrix M)
          Adds this matrix to M and places the result in this matrix.
 void add(Matrix6x2 M)
          Adds the contents of a Matrix6x2 to this matrix block.
 void add(Matrix6x2 M1, Matrix6x2 M2)
          Computes M1 + M2 and places the result in this matrix.
 Matrix6x2 clone()
          Creates a clone of this matrix.
 int colSize()
          Number of columns in the matrix associated with this transformation.
 double get(int i, int j)
          Gets a single element of this matrix.
 void getColumn(int j, double[] values)
          Copies a column of this matrix into an array of doubles.
 void getColumn(int j, double[] values, int off)
          Copies a column of this matrix into an array of doubles, starting at a specified offset.
 void getColumn(int j, Vector3d v1, Vector3d v2)
          Copies a column of this Matrix6x2 into two specified vectors.
 void getRow(int i, double[] values)
          Copies a row of this matrix into an array of doubles.
 void getRow(int i, double[] values, int off)
          Copies a row of this matrix into an array of doubles, starting at a specified offset.
 int rowSize()
          Number of rows in the matrix associated with this transformation.
 void scale(double s)
          Scales the elements of this matrix by s.
 void scale(double s, Matrix6x2 M)
          Computes s M and places the result in this matrix.
 void scaledAdd(double s, Matrix M)
          Scales the matrix M and add the result to this matrix.
 void scaledAdd(double s, Matrix6x2 M)
          Computes s M and adds the result to this matrix.
 void scaledAdd(double s, Matrix6x2 M1, Matrix6x2 M2)
          Computes s M1 + M2 and places the result in this matrix.
 void set(int i, int j, double value)
          Sets a single element of this matrix.
 void set(Matrix M)
          Sets the size and values of this matrix to those of another matrix.
 void set(Matrix6x2 M)
          Sets the contents of this Matrix6x2 to those of a specified block.
 void setColumn(int j, double[] values)
          Sets a column of this matrix from an array of doubles.
 void setColumn(int j, Vector3d v1, Vector3d v2)
          Sets a column of this Matrix6x2 from two specified vectors.
 void setRow(int i, double[] values)
          Set a row of this matrix from an array of doubles.
 void setZero()
          Sets the elements of this matrix to zero.
 void sub(Matrix M)
          Subtracts this matrix from M and places the result in this matrix.
 void sub(Matrix6x2 M)
          Subtracts the contents of a Matrix6x2 from this matrix block.
 void sub(Matrix6x2 M1, Matrix6x2 M2)
          Computes M1 - M2 places the result in this matrix.
 
Methods inherited from class maspack.matrix.DenseMatrixBase
add, checkConsistency, set, set, set, set, setCCSValues, setColumn, setCRSValues, setRow, setSubMatrix
 
Methods inherited from class maspack.matrix.MatrixBase
containsNaN, determinant, epsilonEquals, equals, frobeniusNorm, get, get, getCCSIndices, getCCSIndices, getCCSValues, getCCSValues, getColumn, getCRSIndices, getCRSIndices, getCRSValues, getCRSValues, getDefaultFormat, getRow, getSize, getSubMatrix, hasNaN, idString, infinityNorm, isFixedSize, isSymmetric, mul, mul, mul, mulAdd, mulAdd, mulAdd, mulTranspose, mulTranspose, mulTranspose, mulTransposeAdd, mulTransposeAdd, mulTransposeAdd, numNonZeroVals, numNonZeroVals, oneNorm, scan, setCRSValues, setDefaultFormat, setSize, toString, toString, toString, trace, write, write, write, write, write, writeToFile
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface maspack.matrix.Matrix
determinant, epsilonEquals, equals, frobeniusNorm, get, getCCSIndices, getCCSIndices, getCCSValues, getCCSValues, getColumn, getCRSIndices, getCRSIndices, getCRSValues, getCRSValues, getRow, getSize, getSubMatrix, infinityNorm, isFixedSize, isSymmetric, mul, mul, mul, mulAdd, mulAdd, mulAdd, mulTranspose, mulTranspose, mulTranspose, mulTransposeAdd, mulTransposeAdd, mulTransposeAdd, numNonZeroVals, numNonZeroVals, oneNorm, scan, setSize, toString, trace, write, write, write
 

Field Detail

m00

public double m00

m01

public double m01

m10

public double m10

m11

public double m11

m20

public double m20

m21

public double m21

m30

public double m30

m31

public double m31

m40

public double m40

m41

public double m41

m50

public double m50

m51

public double m51

ZERO

public static final Matrix6x2 ZERO
Global zero matrix. Should not be modified.

Constructor Detail

Matrix6x2

public Matrix6x2()
Creates a new Matrix6x2.

Method Detail

rowSize

public int rowSize()
Number of rows in the matrix associated with this transformation. This will equal the size of the output vector in mul.

Specified by:
rowSize in interface LinearTransformNd
Specified by:
rowSize in interface Matrix
Specified by:
rowSize in class MatrixBase
Returns:
number of rows

colSize

public int colSize()
Number of columns in the matrix associated with this transformation. This will equal the size of the input vector in mul.

Specified by:
colSize in interface LinearTransformNd
Specified by:
colSize in interface Matrix
Specified by:
colSize in class MatrixBase
Returns:
number of columns

get

public double get(int i,
                  int j)
Gets a single element of this matrix.

Specified by:
get in interface Matrix
Specified by:
get in class MatrixBase
Parameters:
i - element row index
j - element column index
Returns:
element value

getRow

public void getRow(int i,
                   double[] values)
Copies a row of this matrix into an array of doubles.

Specified by:
getRow in interface Matrix
Overrides:
getRow in class MatrixBase
Parameters:
i - row index
values - array into which the row is copied

getRow

public void getRow(int i,
                   double[] values,
                   int off)
Copies a row of this matrix into an array of doubles, starting at a specified offset.

Specified by:
getRow in interface Matrix
Overrides:
getRow in class MatrixBase
Parameters:
i - row index
values - array into which the row is copied
off - offset in values where copying should begin

getColumn

public void getColumn(int j,
                      double[] values)
Copies a column of this matrix into an array of doubles.

Specified by:
getColumn in interface Matrix
Overrides:
getColumn in class MatrixBase
Parameters:
j - column index
values - array into which the column is copied

getColumn

public void getColumn(int j,
                      double[] values,
                      int off)
Copies a column of this matrix into an array of doubles, starting at a specified offset.

Specified by:
getColumn in interface Matrix
Overrides:
getColumn in class MatrixBase
Parameters:
j - column index
values - array into which the column is copied
off - offset in values where copying should begin

getColumn

public void getColumn(int j,
                      Vector3d v1,
                      Vector3d v2)
Copies a column of this Matrix6x2 into two specified vectors.

Parameters:
j - column index
v1 - vector to recieve the first three values.
v2 - vector to recieve the second three values.

set

public void set(int i,
                int j,
                double value)
Sets a single element of this matrix.

Specified by:
set in interface DenseMatrix
Specified by:
set in class DenseMatrixBase
Parameters:
i - element row index
j - element column index
value - element value

setColumn

public void setColumn(int j,
                      double[] values)
Sets a column of this matrix from an array of doubles.

Specified by:
setColumn in interface DenseMatrix
Overrides:
setColumn in class DenseMatrixBase
Parameters:
j - column index
values - array from which column values are copied

setRow

public void setRow(int i,
                   double[] values)
Set a row of this matrix from an array of doubles.

Specified by:
setRow in interface DenseMatrix
Overrides:
setRow in class DenseMatrixBase
Parameters:
i - row index
values - array from which the row is copied

setZero

public void setZero()
Sets the elements of this matrix to zero.


set

public void set(Matrix M)
Sets the size and values of this matrix to those of another matrix.

Specified by:
set in interface Matrix
Overrides:
set in class DenseMatrixBase
Parameters:
M - matrix whose size and values are copied

set

public void set(Matrix6x2 M)
Sets the contents of this Matrix6x2 to those of a specified block.

Parameters:
M - matrix block providing new values

setColumn

public void setColumn(int j,
                      Vector3d v1,
                      Vector3d v2)
Sets a column of this Matrix6x2 from two specified vectors.

Parameters:
j - index of the column
v1 - vector specifying first three values.
v2 - vector specifying second three values.

scale

public void scale(double s)
Scales the elements of this matrix by s.

Parameters:
s - scaling factor

scale

public void scale(double s,
                  Matrix6x2 M)
Computes s M and places the result in this matrix.

Parameters:
s - scaling factor
M - matrix to scale

add

public void add(Matrix M)
Adds this matrix to M and places the result in this matrix.

Parameters:
M - right-hand matrix
Throws:
ImproperSizeException - if this matrix and M have different sizes

scaledAdd

public void scaledAdd(double s,
                      Matrix M)
Scales the matrix M and add the result to this matrix.

Parameters:
s - scaling factor
M - matrix to be scaled and added
Throws:
ImproperSizeException - if this matrix and M have different sizes

add

public void add(Matrix6x2 M)
Adds the contents of a Matrix6x2 to this matrix block.

Parameters:
M - matrix block to add

add

public void add(Matrix6x2 M1,
                Matrix6x2 M2)
Computes M1 + M2 and places the result in this matrix.

Parameters:
M1 - first matrix to add
M2 - second matrix to add

scaledAdd

public void scaledAdd(double s,
                      Matrix6x2 M)
Computes s M and adds the result to this matrix.

Parameters:
s - scaling factor
M - matrix to be scaled and added

scaledAdd

public void scaledAdd(double s,
                      Matrix6x2 M1,
                      Matrix6x2 M2)
Computes s M1 + M2 and places the result in this matrix.

Parameters:
s - scaling factor
M1 - matrix to be scaled
M2 - matrix to be added

sub

public void sub(Matrix M)
Subtracts this matrix from M and places the result in this matrix.

Parameters:
M - right-hand matrix
Throws:
ImproperSizeException - if this matrix and M have different sizes

sub

public void sub(Matrix6x2 M)
Subtracts the contents of a Matrix6x2 from this matrix block.

Parameters:
M - matrix block to subtract

sub

public void sub(Matrix6x2 M1,
                Matrix6x2 M2)
Computes M1 - M2 places the result in this matrix.

Parameters:
M1 - first matrix
M2 - matrix to subtract

clone

public Matrix6x2 clone()
Creates a clone of this matrix.

Overrides:
clone in class java.lang.Object