com.powerdata.openpa.tools.matrix

Interface FloatMatrix

All Known Implementing Classes:

BDblPrime, BPrime, FloatArrayMatrix, SpSymFltMatrix

public interface FloatMatrix

Interface for a matrix with floating-point real values

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	FloatMatrix.RowFunction

Method Summary

Modifier and Type	Method and Description
void	addInPlace(int row, int column, float value) Add a value in place
default float[]	backwardSubstitution(float[] b) Solve Ux=b for x
default void	divInPlace(int row, int column, float value) divide a value in place
int	getColumnCount() Return the number of columns in the matrix
int	getRowCount() Return the number of rows in the matrix.
float	getValue(int row, int column) Get a value
void	multInPlace(int row, int column, float value) Multiply a value in place
default void	rotateGivens(float[] dz)
void	setValue(int row, int column, float value) Set a value
default void	subInPlace(int row, int column, float value) subtract a value in place
static Matrix<java.lang.Float>	wrap(FloatMatrix m) Create generic matrix from a FloatMatrix

Method Detail

getRowCount

int getRowCount()

Return the number of rows in the matrix.

Returns:

Number of matrix rows

getColumnCount

int getColumnCount()

Return the number of columns in the matrix

Returns:

Number of matrix columns

setValue

void setValue(int row,
              int column,
              float value)

Set a value

Parameters:

row - location of new value

column - location of new value

value - value to store

getValue

float getValue(int row,
               int column)

Get a value

Parameters:

row - location of new value

column - location of new value

Returns:

value stored at given location

addInPlace

void addInPlace(int row,
                int column,
                float value)

Add a value in place

Parameters:

row - location of updated value

column - location of updated value

value - to add at given location

multInPlace

void multInPlace(int row,
                 int column,
                 float value)

Multiply a value in place

Parameters:

row - location of updated value

column - location of updated value

value - to multiply at given location

subInPlace

default void subInPlace(int row,
                        int column,
                        float value)

subtract a value in place

Parameters:

row - location of updated value

column - location of updated value

value - to subtract at given location

divInPlace

default void divInPlace(int row,
                        int column,
                        float value)

divide a value in place

Parameters:

row - location of updated value

column - location of updated value

value - to divide by at given location

rotateGivens

default void rotateGivens(float[] dz)

backwardSubstitution

default float[] backwardSubstitution(float[] b)

Solve Ux=b for x

Returns:

solved x

wrap

static Matrix<java.lang.Float> wrap(FloatMatrix m)

Create generic matrix from a FloatMatrix

Parameters:

m - FloatMatrix to wrap with a generic Matrix

Returns:

Generic matrix backed by FloatMatrix