Array2DRowFieldMatrix (Apache Commons Math 3.6.1 API)

Constructors
Constructor and Description
`Array2DRowFieldMatrix(Field<T> field)` Creates a matrix with no data
`Array2DRowFieldMatrix(Field<T> field, int rowDimension, int columnDimension)` Create a new `FieldMatrix<T>` with the supplied row and column dimensions.
`Array2DRowFieldMatrix(Field<T> field, T[] v)` Create a new (column) `FieldMatrix<T>` using `v` as the data for the unique column of the created matrix.
`Array2DRowFieldMatrix(Field<T> field, T[][] d)` Create a new `FieldMatrix<T>` using the input array as the underlying data array.
`Array2DRowFieldMatrix(Field<T> field, T[][] d, boolean copyArray)` Create a new `FieldMatrix<T>` using the input array as the underlying data array.
`Array2DRowFieldMatrix(T[] v)` Create a new (column) `FieldMatrix<T>` using `v` as the data for the unique column of the created matrix.
`Array2DRowFieldMatrix(T[][] d)` Create a new `FieldMatrix<T>` using the input array as the underlying data array.
`Array2DRowFieldMatrix(T[][] d, boolean copyArray)` Create a new `FieldMatrix<T>` using the input array as the underlying data array.

Methods
Modifier and Type	Method and Description
`Array2DRowFieldMatrix<T>`	`add(Array2DRowFieldMatrix<T> m)` Add `m` to this matrix.
`void`	`addToEntry(int row, int column, T increment)` Change an entry in the specified row and column.
`FieldMatrix<T>`	`copy()` Make a (deep) copy of this.
`FieldMatrix<T>`	`createMatrix(int rowDimension, int columnDimension)` Create a new FieldMatrix of the same type as the instance with the supplied row and column dimensions.
`int`	`getColumnDimension()` Returns the number of columns in the matrix.
`T[][]`	`getData()` Returns matrix entries as a two-dimensional array.
`T[][]`	`getDataRef()` Get a reference to the underlying data array.
`T`	`getEntry(int row, int column)` Returns the entry in the specified row and column.
`int`	`getRowDimension()` Returns the number of rows in the matrix.
`Array2DRowFieldMatrix<T>`	`multiply(Array2DRowFieldMatrix<T> m)` Postmultiplying this matrix by `m`.
`void`	`multiplyEntry(int row, int column, T factor)` Change an entry in the specified row and column.
`T[]`	`operate(T[] v)` Returns the result of multiplying this by the vector `v`.
`T[]`	`preMultiply(T[] v)` Returns the (row) vector result of premultiplying this by the vector `v`.
`void`	`setEntry(int row, int column, T value)` Set the entry in the specified row and column.
`void`	`setSubMatrix(T[][] subMatrix, int row, int column)` Replace the submatrix starting at `(row, column)` using data in the input `subMatrix` array.
`Array2DRowFieldMatrix<T>`	`subtract(Array2DRowFieldMatrix<T> m)` Subtract `m` from this matrix.
`T`	`walkInColumnOrder(FieldMatrixChangingVisitor<T> visitor)` Visit (and possibly change) all matrix entries in column order.
`T`	`walkInColumnOrder(FieldMatrixChangingVisitor<T> visitor, int startRow, int endRow, int startColumn, int endColumn)` Visit (and possibly change) some matrix entries in column order.
`T`	`walkInColumnOrder(FieldMatrixPreservingVisitor<T> visitor)` Visit (but don't change) all matrix entries in column order.
`T`	`walkInColumnOrder(FieldMatrixPreservingVisitor<T> visitor, int startRow, int endRow, int startColumn, int endColumn)` Visit (but don't change) some matrix entries in column order.
`T`	`walkInRowOrder(FieldMatrixChangingVisitor<T> visitor)` Visit (and possibly change) all matrix entries in row order.
`T`	`walkInRowOrder(FieldMatrixChangingVisitor<T> visitor, int startRow, int endRow, int startColumn, int endColumn)` Visit (and possibly change) some matrix entries in row order.
`T`	`walkInRowOrder(FieldMatrixPreservingVisitor<T> visitor)` Visit (but don't change) all matrix entries in row order.
`T`	`walkInRowOrder(FieldMatrixPreservingVisitor<T> visitor, int startRow, int endRow, int startColumn, int endColumn)` Visit (but don't change) some matrix entries in row order.

- Constructor Detail
  - Array2DRowFieldMatrix
```
public Array2DRowFieldMatrix(Field<T> field)
```
    Creates a matrix with no data
    
    Parameters:
    field - field to which the elements belong
  - Array2DRowFieldMatrix
```
public Array2DRowFieldMatrix(Field<T> field,
                     int rowDimension,
                     int columnDimension)
                      throws NotStrictlyPositiveException
```
    Create a new FieldMatrix<T> with the supplied row and column dimensions.
    
    Parameters:
    field - Field to which the elements belong.
    rowDimension - Number of rows in the new matrix.
    columnDimension - Number of columns in the new matrix.
    
    Throws:
    
    NotStrictlyPositiveException - if row or column dimension is not positive.
  - Array2DRowFieldMatrix
```
public Array2DRowFieldMatrix(T[][] d)
                      throws DimensionMismatchException,
                             NullArgumentException,
                             NoDataException
```
    Create a new FieldMatrix<T> using the input array as the underlying data array.
    The input array is copied, not referenced. This constructor has the same effect as calling Array2DRowFieldMatrix(FieldElement[][], boolean) with the second argument set to true.
    
    Parameters:
    d - Data for the new matrix.
    
    Throws:
    
    DimensionMismatchException - if d is not rectangular.
    
    NullArgumentException - if d is null.
    
    NoDataException - if there are not at least one row and one column.
    See Also:
    Array2DRowFieldMatrix(FieldElement[][], boolean)
  - Array2DRowFieldMatrix
```
public Array2DRowFieldMatrix(Field<T> field,
                     T[][] d)
                      throws DimensionMismatchException,
                             NullArgumentException,
                             NoDataException
```
    Create a new FieldMatrix<T> using the input array as the underlying data array.
    The input array is copied, not referenced. This constructor has the same effect as calling Array2DRowFieldMatrix(FieldElement[][], boolean) with the second argument set to true.
    
    Parameters:
    field - Field to which the elements belong.
    d - Data for the new matrix.
    
    Throws:
    
    DimensionMismatchException - if d is not rectangular.
    
    NullArgumentException - if d is null.
    
    NoDataException - if there are not at least one row and one column.
    See Also:
    Array2DRowFieldMatrix(FieldElement[][], boolean)
  - Array2DRowFieldMatrix
```
public Array2DRowFieldMatrix(T[][] d,
                     boolean copyArray)
                      throws DimensionMismatchException,
                             NoDataException,
                             NullArgumentException
```
    Create a new FieldMatrix<T> using the input array as the underlying data array.
    If an array is built specially in order to be embedded in a FieldMatrix<T> and not used directly, the copyArray may be set to false. This will prevent the copying and improve performance as no new array will be built and no data will be copied.
    
    Parameters:
    d - Data for the new matrix.
    copyArray - Whether to copy or reference the input array.
    
    Throws:
    
    DimensionMismatchException - if d is not rectangular.
    
    NoDataException - if there are not at least one row and one column.
    
    NullArgumentException - if d is null.
    See Also:
    Array2DRowFieldMatrix(FieldElement[][])
  - Array2DRowFieldMatrix
```
public Array2DRowFieldMatrix(Field<T> field,
                     T[][] d,
                     boolean copyArray)
                      throws DimensionMismatchException,
                             NoDataException,
                             NullArgumentException
```
    Create a new FieldMatrix<T> using the input array as the underlying data array.
    If an array is built specially in order to be embedded in a FieldMatrix<T> and not used directly, the copyArray may be set to false. This will prevent the copying and improve performance as no new array will be built and no data will be copied.
    
    Parameters:
    field - Field to which the elements belong.
    d - Data for the new matrix.
    copyArray - Whether to copy or reference the input array.
    
    Throws:
    
    DimensionMismatchException - if d is not rectangular.
    
    NoDataException - if there are not at least one row and one column.
    
    NullArgumentException - if d is null.
    See Also:
    Array2DRowFieldMatrix(FieldElement[][])
  - Array2DRowFieldMatrix
```
public Array2DRowFieldMatrix(T[] v)
                      throws NoDataException
```
    Create a new (column) FieldMatrix<T> using v as the data for the unique column of the created matrix. The input array is copied.
    
    Parameters:
    v - Column vector holding data for new matrix.
    
    Throws:
    
    NoDataException - if v is empty
  - Array2DRowFieldMatrix
```
public Array2DRowFieldMatrix(Field<T> field,
                     T[] v)
```
    Create a new (column) FieldMatrix<T> using v as the data for the unique column of the created matrix. The input array is copied.
    
    Parameters:
    field - Field to which the elements belong.
    v - Column vector holding data for new matrix.
- Method Detail
  - createMatrix
```
public FieldMatrix<T> createMatrix(int rowDimension,
                          int columnDimension)
                                                    throws NotStrictlyPositiveException
```
    Create a new FieldMatrix of the same type as the instance with the supplied row and column dimensions.
    
    Specified by:
    
    createMatrix in interface FieldMatrix<T extends FieldElement<T>>
    
    Specified by:
    
    createMatrix in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    rowDimension - the number of rows in the new matrix
    columnDimension - the number of columns in the new matrix
    
    Returns:
    a new matrix of the same type as the instance
    
    Throws:
    
    NotStrictlyPositiveException - if row or column dimension is not positive.
  - copy
```
public FieldMatrix<T> copy()
```
    Make a (deep) copy of this.
    
    Specified by:
    
    copy in interface FieldMatrix<T extends FieldElement<T>>
    
    Specified by:
    
    copy in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Returns:
    a copy of this matrix.
  - add
```
public Array2DRowFieldMatrix<T> add(Array2DRowFieldMatrix<T> m)
                                                     throws MatrixDimensionMismatchException
```
    Add m to this matrix.
    
    Parameters:
    m - Matrix to be added.
    
    Returns:
    this + m.
    
    Throws:
    
    MatrixDimensionMismatchException - if m is not the same size as this matrix.
  - subtract
```
public Array2DRowFieldMatrix<T> subtract(Array2DRowFieldMatrix<T> m)
                                                          throws MatrixDimensionMismatchException
```
    Subtract m from this matrix.
    
    Parameters:
    m - Matrix to be subtracted.
    
    Returns:
    this + m.
    
    Throws:
    
    MatrixDimensionMismatchException - if m is not the same size as this matrix.
  - multiply
```
public Array2DRowFieldMatrix<T> multiply(Array2DRowFieldMatrix<T> m)
                                                          throws DimensionMismatchException
```
    Postmultiplying this matrix by m.
    
    Parameters:
    m - Matrix to postmultiply by.
    
    Returns:
    this * m.
    
    Throws:
    
    DimensionMismatchException - if the number of columns of this matrix is not equal to the number of rows of m.
  - getData
```
public T[][] getData()
```
    Returns matrix entries as a two-dimensional array.
    
    Specified by:
    
    getData in interface FieldMatrix<T extends FieldElement<T>>
    
    Overrides:
    
    getData in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Returns:
    a 2-dimensional array of entries.
  - getDataRef
```
public T[][] getDataRef()
```
    Get a reference to the underlying data array. This methods returns internal data, not fresh copy of it.
    
    Returns:
    the 2-dimensional array of entries.
  - setSubMatrix
```
public void setSubMatrix(T[][] subMatrix,
                int row,
                int column)
                  throws OutOfRangeException,
                         NullArgumentException,
                         NoDataException,
                         DimensionMismatchException
```
    Replace the submatrix starting at (row, column) using data in the input subMatrix array. Indexes are 0-based.
    Example:
    Starting with
```
 1  2  3  4
 5  6  7  8
 9  0  1  2
 
```
    and subMatrix = {{3, 4} {5,6}}, invoking setSubMatrix(subMatrix,1,1)) will result in
```
 1  2  3  4
 5  3  4  8
 9  5  6  2
 
```
    Specified by:
    
    setSubMatrix in interface FieldMatrix<T extends FieldElement<T>>
    
    Overrides:
    
    setSubMatrix in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    subMatrix - Array containing the submatrix replacement data.
    row - Row coordinate of the top-left element to be replaced.
    column - Column coordinate of the top-left element to be replaced.
    
    Throws:
    
    OutOfRangeException - if subMatrix does not fit into this matrix from element in (row, column).
    
    NullArgumentException - if subMatrix is null.
    
    NoDataException - if a row or column of subMatrix is empty.
    
    DimensionMismatchException - if subMatrix is not rectangular (not all rows have the same length).
  - getEntry
```
public T getEntry(int row,
         int column)
                                   throws OutOfRangeException
```
    Returns the entry in the specified row and column.
    
    Specified by:
    
    getEntry in interface FieldMatrix<T extends FieldElement<T>>
    
    Specified by:
    
    getEntry in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    row - row location of entry to be fetched
    column - column location of entry to be fetched
    
    Returns:
    matrix entry in row,column
    
    Throws:
    
    OutOfRangeException - if the row or column index is not valid.
  - setEntry
```
public void setEntry(int row,
            int column,
            T value)
              throws OutOfRangeException
```
    Set the entry in the specified row and column.
    
    Specified by:
    
    setEntry in interface FieldMatrix<T extends FieldElement<T>>
    
    Specified by:
    
    setEntry in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    row - row location of entry to be set
    column - column location of entry to be set
    value - matrix entry to be set in row,column
    
    Throws:
    
    OutOfRangeException - if the row or column index is not valid.
  - addToEntry
```
public void addToEntry(int row,
              int column,
              T increment)
                throws OutOfRangeException
```
    Change an entry in the specified row and column.
    
    Specified by:
    
    addToEntry in interface FieldMatrix<T extends FieldElement<T>>
    
    Specified by:
    
    addToEntry in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    row - Row location of entry to be set.
    column - Column location of entry to be set.
    increment - Value to add to the current matrix entry in (row, column).
    
    Throws:
    
    OutOfRangeException - if the row or column index is not valid.
  - multiplyEntry
```
public void multiplyEntry(int row,
                 int column,
                 T factor)
                   throws OutOfRangeException
```
    Change an entry in the specified row and column.
    
    Specified by:
    
    multiplyEntry in interface FieldMatrix<T extends FieldElement<T>>
    
    Specified by:
    
    multiplyEntry in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    row - Row location of entry to be set.
    column - Column location of entry to be set.
    factor - Multiplication factor for the current matrix entry in (row,column)
    
    Throws:
    
    OutOfRangeException - if the row or column index is not valid.
  - getRowDimension
```
public int getRowDimension()
```
    Returns the number of rows in the matrix.
    
    Specified by:
    
    getRowDimension in interface AnyMatrix
    
    Specified by:
    
    getRowDimension in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Returns:
    rowDimension
  - getColumnDimension
```
public int getColumnDimension()
```
    Returns the number of columns in the matrix.
    
    Specified by:
    
    getColumnDimension in interface AnyMatrix
    
    Specified by:
    
    getColumnDimension in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Returns:
    columnDimension
  - operate
```
public T[] operate(T[] v)
                                    throws DimensionMismatchException
```
    Returns the result of multiplying this by the vector v.
    
    Specified by:
    
    operate in interface FieldMatrix<T extends FieldElement<T>>
    
    Overrides:
    
    operate in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    v - the vector to operate on
    
    Returns:
    this * v
    
    Throws:
    
    DimensionMismatchException - if the number of columns of this matrix is not equal to the size of the vector v.
  - preMultiply
```
public T[] preMultiply(T[] v)
                                        throws DimensionMismatchException
```
    Returns the (row) vector result of premultiplying this by the vector v.
    
    Specified by:
    
    preMultiply in interface FieldMatrix<T extends FieldElement<T>>
    
    Overrides:
    
    preMultiply in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    v - the row vector to premultiply by
    
    Returns:
    v * this
    
    Throws:
    
    DimensionMismatchException - if the number of rows of this matrix is not equal to the size of the vector v
  - walkInRowOrder
```
public T walkInRowOrder(FieldMatrixChangingVisitor<T> visitor)
```
    Visit (and possibly change) all matrix entries in row order.
    Row order starts at upper left and iterating through all elements of a row from left to right before going to the leftmost element of the next row.
    
    Specified by:
    
    walkInRowOrder in interface FieldMatrix<T extends FieldElement<T>>
    
    Overrides:
    
    walkInRowOrder in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    visitor - visitor used to process all matrix entries
    
    Returns:
    the value returned by FieldMatrixChangingVisitor.end() at the end of the walk
    See Also:
    FieldMatrix.walkInRowOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInRowOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInRowOrder(FieldMatrixPreservingVisitor, int, int, int, int), FieldMatrix.walkInColumnOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInColumnOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInColumnOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInColumnOrder(FieldMatrixPreservingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor, int, int, int, int)
  - walkInRowOrder
```
public T walkInRowOrder(FieldMatrixPreservingVisitor<T> visitor)
```
    Visit (but don't change) all matrix entries in row order.
    Row order starts at upper left and iterating through all elements of a row from left to right before going to the leftmost element of the next row.
    
    Specified by:
    
    walkInRowOrder in interface FieldMatrix<T extends FieldElement<T>>
    
    Overrides:
    
    walkInRowOrder in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    visitor - visitor used to process all matrix entries
    
    Returns:
    the value returned by FieldMatrixPreservingVisitor.end() at the end of the walk
    See Also:
    FieldMatrix.walkInRowOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInRowOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInRowOrder(FieldMatrixPreservingVisitor, int, int, int, int), FieldMatrix.walkInColumnOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInColumnOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInColumnOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInColumnOrder(FieldMatrixPreservingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor, int, int, int, int)
  - walkInRowOrder
```
public T walkInRowOrder(FieldMatrixChangingVisitor<T> visitor,
               int startRow,
               int endRow,
               int startColumn,
               int endColumn)
                                         throws OutOfRangeException,
                                                NumberIsTooSmallException
```
    Visit (and possibly change) some matrix entries in row order.
    Row order starts at upper left and iterating through all elements of a row from left to right before going to the leftmost element of the next row.
    
    Specified by:
    
    walkInRowOrder in interface FieldMatrix<T extends FieldElement<T>>
    
    Overrides:
    
    walkInRowOrder in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    visitor - visitor used to process all matrix entries
    startRow - Initial row index
    endRow - Final row index (inclusive)
    startColumn - Initial column index
    endColumn - Final column index
    
    Returns:
    the value returned by FieldMatrixChangingVisitor.end() at the end of the walk
    
    Throws:
    
    OutOfRangeException - if the indices are not valid.
    
    NumberIsTooSmallException - if endRow < startRow or endColumn < startColumn.
    See Also:
    FieldMatrix.walkInRowOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInRowOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInRowOrder(FieldMatrixPreservingVisitor, int, int, int, int), FieldMatrix.walkInColumnOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInColumnOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInColumnOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInColumnOrder(FieldMatrixPreservingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor, int, int, int, int)
  - walkInRowOrder
```
public T walkInRowOrder(FieldMatrixPreservingVisitor<T> visitor,
               int startRow,
               int endRow,
               int startColumn,
               int endColumn)
                                         throws OutOfRangeException,
                                                NumberIsTooSmallException
```
    Visit (but don't change) some matrix entries in row order.
    Row order starts at upper left and iterating through all elements of a row from left to right before going to the leftmost element of the next row.
    
    Specified by:
    
    walkInRowOrder in interface FieldMatrix<T extends FieldElement<T>>
    
    Overrides:
    
    walkInRowOrder in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    visitor - visitor used to process all matrix entries
    startRow - Initial row index
    endRow - Final row index (inclusive)
    startColumn - Initial column index
    endColumn - Final column index
    
    Returns:
    the value returned by FieldMatrixPreservingVisitor.end() at the end of the walk
    
    Throws:
    
    OutOfRangeException - if the indices are not valid.
    
    NumberIsTooSmallException - if endRow < startRow or endColumn < startColumn.
    See Also:
    FieldMatrix.walkInRowOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInRowOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInRowOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInColumnOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInColumnOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInColumnOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInColumnOrder(FieldMatrixPreservingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor, int, int, int, int)
  - walkInColumnOrder
```
public T walkInColumnOrder(FieldMatrixChangingVisitor<T> visitor)
```
    Visit (and possibly change) all matrix entries in column order.
    Column order starts at upper left and iterating through all elements of a column from top to bottom before going to the topmost element of the next column.
    
    Specified by:
    
    walkInColumnOrder in interface FieldMatrix<T extends FieldElement<T>>
    
    Overrides:
    
    walkInColumnOrder in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    visitor - visitor used to process all matrix entries
    
    Returns:
    the value returned by FieldMatrixChangingVisitor.end() at the end of the walk
    See Also:
    FieldMatrix.walkInRowOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInRowOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInRowOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInRowOrder(FieldMatrixPreservingVisitor, int, int, int, int), FieldMatrix.walkInColumnOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInColumnOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInColumnOrder(FieldMatrixPreservingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor, int, int, int, int)
  - walkInColumnOrder
```
public T walkInColumnOrder(FieldMatrixPreservingVisitor<T> visitor)
```
    Visit (but don't change) all matrix entries in column order.
    Column order starts at upper left and iterating through all elements of a column from top to bottom before going to the topmost element of the next column.
    
    Specified by:
    
    walkInColumnOrder in interface FieldMatrix<T extends FieldElement<T>>
    
    Overrides:
    
    walkInColumnOrder in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    visitor - visitor used to process all matrix entries
    
    Returns:
    the value returned by FieldMatrixPreservingVisitor.end() at the end of the walk
    See Also:
    FieldMatrix.walkInRowOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInRowOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInRowOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInRowOrder(FieldMatrixPreservingVisitor, int, int, int, int), FieldMatrix.walkInColumnOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInColumnOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInColumnOrder(FieldMatrixPreservingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor, int, int, int, int)
  - walkInColumnOrder
```
public T walkInColumnOrder(FieldMatrixChangingVisitor<T> visitor,
                  int startRow,
                  int endRow,
                  int startColumn,
                  int endColumn)
                                            throws OutOfRangeException,
                                                   NumberIsTooSmallException
```
    Visit (and possibly change) some matrix entries in column order.
    Column order starts at upper left and iterating through all elements of a column from top to bottom before going to the topmost element of the next column.
    
    Specified by:
    
    walkInColumnOrder in interface FieldMatrix<T extends FieldElement<T>>
    
    Overrides:
    
    walkInColumnOrder in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    visitor - visitor used to process all matrix entries
    startRow - Initial row index
    endRow - Final row index (inclusive)
    startColumn - Initial column index
    endColumn - Final column index
    
    Returns:
    the value returned by FieldMatrixChangingVisitor.end() at the end of the walk
    
    Throws:
    
    OutOfRangeException - if the indices are not valid.
    
    NumberIsTooSmallException - if endRow < startRow or endColumn < startColumn.
    See Also:
    FieldMatrix.walkInRowOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInRowOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInRowOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInRowOrder(FieldMatrixPreservingVisitor, int, int, int, int), FieldMatrix.walkInColumnOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInColumnOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInColumnOrder(FieldMatrixPreservingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor, int, int, int, int)
  - walkInColumnOrder
```
public T walkInColumnOrder(FieldMatrixPreservingVisitor<T> visitor,
                  int startRow,
                  int endRow,
                  int startColumn,
                  int endColumn)
                                            throws OutOfRangeException,
                                                   NumberIsTooSmallException
```
    Visit (but don't change) some matrix entries in column order.
    Column order starts at upper left and iterating through all elements of a column from top to bottom before going to the topmost element of the next column.
    
    Specified by:
    
    walkInColumnOrder in interface FieldMatrix<T extends FieldElement<T>>
    
    Overrides:
    
    walkInColumnOrder in class AbstractFieldMatrix<T extends FieldElement<T>>
    
    Parameters:
    visitor - visitor used to process all matrix entries
    startRow - Initial row index
    endRow - Final row index (inclusive)
    startColumn - Initial column index
    endColumn - Final column index
    
    Returns:
    the value returned by FieldMatrixPreservingVisitor.end() at the end of the walk
    
    Throws:
    
    OutOfRangeException - if the indices are not valid.
    
    NumberIsTooSmallException - if endRow < startRow or endColumn < startColumn.
    See Also:
    FieldMatrix.walkInRowOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInRowOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInRowOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInRowOrder(FieldMatrixPreservingVisitor, int, int, int, int), FieldMatrix.walkInColumnOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInColumnOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInColumnOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor), FieldMatrix.walkInOptimizedOrder(FieldMatrixChangingVisitor, int, int, int, int), FieldMatrix.walkInOptimizedOrder(FieldMatrixPreservingVisitor, int, int, int, int)

Class Array2DRowFieldMatrix<T extends FieldElement<T>>

Constructor Summary

Method Summary

Methods inherited from class org.apache.commons.math3.linear.AbstractFieldMatrix

Methods inherited from class java.lang.Object

Constructor Detail

Array2DRowFieldMatrix

Array2DRowFieldMatrix

Array2DRowFieldMatrix

Array2DRowFieldMatrix

Array2DRowFieldMatrix

Array2DRowFieldMatrix

Array2DRowFieldMatrix

Array2DRowFieldMatrix

Method Detail

createMatrix

copy

add

subtract

multiply

getData

getDataRef

setSubMatrix

getEntry

setEntry

addToEntry

multiplyEntry

getRowDimension

getColumnDimension

operate

preMultiply

walkInRowOrder

walkInRowOrder

walkInRowOrder

walkInRowOrder

walkInColumnOrder

walkInColumnOrder

walkInColumnOrder

walkInColumnOrder