Matrix (Geotools modules 31-SNAPSHOT API)

All Superinterfaces:

Cloneable, Cloneable

All Known Subinterfaces:

XMatrix

All Known Implementing Classes:

AffineTransform2D, GeneralMatrix, Matrix1, Matrix2, Matrix3, Matrix4
```
public interface Matrix
extends Cloneable
```
A two dimensional array of numbers. Row and column numbering begins with zero.

Since:

GeoAPI 1.0

Author:

Martin Desruisseaux (IRD)

See Also:

AffineTransform,

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type Method Description

Matrix clone()
Returns a clone of this matrix.

double getElement(int row, int column)
Retrieves the value at the specified row and column of this matrix.

int getNumCol()
Returns the number of columns in this matrix.

int getNumRow()
Returns the number of rows in this matrix.

boolean isIdentity()
Returns true if this matrix is an identity matrix.

void setElement(int row, int column, double value)
Modifies the value at the specified row and column of this matrix.

- Method Detail
  - getNumRow
```
int getNumRow()
```
    Returns the number of rows in this matrix.
    
    Returns:
    
    The number of rows in this matrix.
  - getNumCol
```
int getNumCol()
```
    Returns the number of columns in this matrix.
    
    Returns:
    
    The number of columns in this matrix.
  - getElement
```
double getElement(int row,
                  int column)
```
    Retrieves the value at the specified row and column of this matrix.
    
    Parameters:
    
    row - The row number to be retrieved (zero indexed).
    
    column - The column number to be retrieved (zero indexed).
    
    Returns:
    
    The value at the indexed element.
  - setElement
```
void setElement(int row,
                int column,
                double value)
```
    Modifies the value at the specified row and column of this matrix.
    
    Parameters:
    
    row - The row number to be retrieved (zero indexed).
    
    column - The column number to be retrieved (zero indexed).
    
    value - The new matrix element value.
  - isIdentity
```
boolean isIdentity()
```
    Returns true if this matrix is an identity matrix.
    
    Returns:
    
    true if this matrix is an identity matrix.
  - clone
```
Matrix clone()
```
    Returns a clone of this matrix.
    
    Specified by:
    
    clone in interface Cloneable
    
    Returns:
    
    A clone of this matrix.
    
    See Also:
    
    Object.clone()