public class SparseRCMLongMatrix2D extends WrapperLongMatrix2D
| Constructor and Description |
|---|
SparseRCMLongMatrix2D(int rows,
int columns)
Constructs a matrix with a given number of rows and columns.
|
| Modifier and Type | Method and Description |
|---|---|
SparseLongMatrix1D[] |
elements()
Returns the elements of this matrix.
|
long |
getQuick(int row,
int column)
Returns the matrix cell value at coordinate [row,column].
|
LongMatrix2D |
like(int rows,
int columns)
Construct and returns a new empty matrix of the same dynamic type
as the receiver, having the specified number of rows and columns.
|
void |
setQuick(int row,
int column,
long value)
Sets the matrix cell at coordinate [row,column] to the specified
value.
|
void |
trimToSize()
Releases any superfluous internal memory.
|
SparseLongMatrix1D |
viewRow(int row)
Constructs and returns a new slice view representing the columns
of the given row.
|
assign, assign, assign, equals, equals, like1D, vectorize, viewColumn, viewColumnFlip, viewDice, viewPart, viewRowFlip, viewSelection, viewStridesaggregate, aggregate, aggregate, aggregate, assign, assign, assign, assign, assign, assign, assign, cardinality, copy, forEachNonZero, get, getMaxLocation, getMinLocation, getNegativeValues, getNonZeros, getPositiveValues, like, set, toArray, toString, viewSelection, viewSelection, viewSorted, zMult, zMult, zMult, zMult, zSumcheckShape, checkShape, columns, columnStride, index, rows, rowStride, size, toStringShortensureCapacity, isViewclonepublic SparseRCMLongMatrix2D(int rows,
int columns)
rows - the number of rows the matrix shall have.columns - the number of columns the matrix shall have.IllegalArgumentException - if
rows<0 || columns<0 || (double)columns*rows > Integer.MAX_VALUE
.public SparseLongMatrix1D[] elements()
LongMatrix2Delements in class WrapperLongMatrix2Dpublic long getQuick(int row,
int column)
LongMatrix2DProvided with invalid parameters this method may return invalid objects without throwing any exception. You should only use this method when you are absolutely sure that the coordinate is within bounds. Precondition (unchecked): 0 <= column < columns() && 0 <= row < rows().
getQuick in class WrapperLongMatrix2Drow - the index of the row-coordinate.column - the index of the column-coordinate.public void setQuick(int row,
int column,
long value)
LongMatrix2DProvided with invalid parameters this method may access illegal indexes without throwing any exception. You should only use this method when you are absolutely sure that the coordinate is within bounds. Precondition (unchecked): 0 <= column < columns() && 0 <= row < rows().
setQuick in class WrapperLongMatrix2Drow - the index of the row-coordinate.column - the index of the column-coordinate.value - the value to be filled into the specified cell.public void trimToSize()
AbstractMatrixThis default implementation does nothing. Override this method if necessary.
trimToSize in class AbstractMatrixpublic SparseLongMatrix1D viewRow(int row)
LongMatrix2DExample:
| 2 x 3 matrix: 1, 2, 3 4, 5, 6 |
viewRow(0) ==> | Matrix1D of size 3: 1, 2, 3 |
viewRow in class WrapperLongMatrix2Drow - the row to fix.LongMatrix2D.viewColumn(int)public LongMatrix2D like(int rows, int columns)
LongMatrix2Dlike in class WrapperLongMatrix2Drows - the number of rows the matrix shall have.columns - the number of columns the matrix shall have.Jump to the Parallel Colt Homepage