public class SparseCCMDoubleMatrix2D extends WrapperDoubleMatrix2D
| Constructor and Description |
|---|
SparseCCMDoubleMatrix2D(int rows,
int columns)
Constructs a matrix with a given number of rows and columns.
|
| Modifier and Type | Method and Description |
|---|---|
SparseDoubleMatrix1D[] |
elements()
Returns the elements of this matrix.
|
double |
getQuick(int row,
int column)
Returns the matrix cell value at coordinate [row,column].
|
DoubleMatrix2D |
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,
double value)
Sets the matrix cell at coordinate [row,column] to the specified
value.
|
void |
trimToSize()
Releases any superfluous internal memory.
|
SparseDoubleMatrix1D |
viewColumn(int column)
Constructs and returns a new slice view representing the rows of
the given column.
|
assign, assign, assign, dct2, dctColumns, dctRows, dht2, dhtColumns, dhtRows, dst2, dstColumns, dstRows, equals, equals, fft2, getFft2, getFftColumns, getFftRows, getIfft2, getIfftColumns, getIfftRows, idct2, idctColumns, idctRows, idht2, idhtColumns, idhtRows, idst2, idstColumns, idstRows, ifft2, like1D, vectorize, viewColumnFlip, viewDice, viewPart, viewRow, viewRowFlip, viewSelection, viewStridesaggregate, aggregate, aggregate, aggregate, assign, assign, assign, assign, assign, assign, assign, cardinality, copy, forEachNonZero, get, getMaxLocation, getMinLocation, getNegativeValues, getNonZeros, getPositiveValues, like, normalize, set, toArray, toString, viewSelection, viewSelection, viewSorted, zAssign8Neighbors, zMult, zMult, zMult, zMult, zSumcheckShape, checkShape, columns, columnStride, index, rows, rowStride, size, toStringShortensureCapacity, isViewclonepublic SparseCCMDoubleMatrix2D(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 SparseDoubleMatrix1D[] elements()
DoubleMatrix2Delements in class WrapperDoubleMatrix2Dpublic double getQuick(int row,
int column)
DoubleMatrix2DProvided 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 WrapperDoubleMatrix2Drow - the index of the row-coordinate.column - the index of the column-coordinate.public void setQuick(int row,
int column,
double value)
DoubleMatrix2DProvided 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 WrapperDoubleMatrix2Drow - 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 SparseDoubleMatrix1D viewColumn(int column)
DoubleMatrix2DExample:
| 2 x 3 matrix: 1, 2, 3 4, 5, 6 |
viewColumn(0) ==> | Matrix1D of size 2: 1, 4 |
viewColumn in class WrapperDoubleMatrix2Dcolumn - the column to fix.DoubleMatrix2D.viewRow(int)public DoubleMatrix2D like(int rows, int columns)
DoubleMatrix2Dlike in class WrapperDoubleMatrix2Drows - the number of rows the matrix shall have.columns - the number of columns the matrix shall have.Jump to the Parallel Colt Homepage