Top Description Methods
org.apache.commons.math3.linear

public Interface FieldMatrixChangingVisitor<T extends FieldElement<?>>

Known Direct Implementers
org.apache.commons.math3.linear.DefaultFieldMatrixChangingVisitor
Type Parameters
<T>
the type of the field elements
Imports
org.apache.commons.math3.FieldElement
Interface defining a visitor for matrix entries.
Since
2.0

Method Summary

Modifier and TypeMethod and Description
public T

Returns:

the value that the walkInXxxOrder must return
end()

End visiting a matrix.

public void
start(int
number of rows of the matrix
rows, int
number of columns of the matrix
columns, int
Initial row index
startRow, int
Final row index (inclusive)
endRow, int
Initial column index
startColumn, int
Final column index (inclusive)
endColumn)

Start visiting a matrix.

public T

Returns:

the new value to be set for the entry
visit(int
row index of the entry
row, int
column index of the entry
column, T
current value of the entry
value)

Visit one matrix entry.

Method Detail

endback to summary
public T end()

End visiting a matrix.

This method is called once after all entries of the matrix have been visited.

Returns:T

the value that the walkInXxxOrder must return

startback to summary
public void start(int rows, int columns, int startRow, int endRow, int startColumn, int endColumn)

Start visiting a matrix.

This method is called once before any entry of the matrix is visited.

Parameters
rows:int

number of rows of the matrix

columns:int

number of columns of the matrix

startRow:int

Initial row index

endRow:int

Final row index (inclusive)

startColumn:int

Initial column index

endColumn:int

Final column index (inclusive)

visitback to summary
public T visit(int row, int column, T value)

Visit one matrix entry.

Parameters
row:int

row index of the entry

column:int

column index of the entry

value:T

current value of the entry

Returns:T

the new value to be set for the entry