public class SparseRCMFComplexMatrix2D extends WrapperFComplexMatrix2D
Constructor and Description |
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SparseRCMFComplexMatrix2D(int rows,
int columns)
Constructs a matrix with a given number of rows and columns.
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Modifier and Type | Method and Description |
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SparseFComplexMatrix1D[] |
elements()
Returns the elements of this matrix.
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float[] |
getQuick(int row,
int column)
Returns the matrix cell value at coordinate [row,column].
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FComplexMatrix2D |
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.
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void |
setQuick(int row,
int column,
float[] value)
Sets the matrix cell at coordinate [row,column] to the specified
value.
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void |
setQuick(int row,
int column,
float re,
float im)
Sets the matrix cell at coordinate [row,column] to the specified
value.
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void |
trimToSize()
Releases any superfluous internal memory.
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SparseFComplexMatrix1D |
viewRow(int row)
Constructs and returns a new slice view representing the columns
of the given row.
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assign, equals, equals, fft2, fftColumns, fftRows, getImaginaryPart, getRealPart, ifft2, ifftColumns, ifftRows, like1D, vectorize, viewColumn, viewColumnFlip, viewDice, viewPart, viewRowFlip, viewSelection, viewStrides
aggregate, aggregate, assign, assign, assign, assign, assign, assign, assign, assign, assign, assignImaginary, assignReal, cardinality, copy, forEachNonZero, get, getConjugateTranspose, getNonZeros, like, set, set, toArray, toString, toString, viewSelection, zMult, zMult, zMult, zMult, zSum
checkShape, checkShape, columns, columnStride, index, rows, rowStride, size, toStringShort
ensureCapacity, isView
clone
public SparseRCMFComplexMatrix2D(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 SparseFComplexMatrix1D[] elements()
FComplexMatrix2D
elements
in class WrapperFComplexMatrix2D
public float[] getQuick(int row, int column)
FComplexMatrix2D
Provided 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 WrapperFComplexMatrix2D
row
- the index of the row-coordinate.column
- the index of the column-coordinate.public void setQuick(int row, int column, float[] value)
FComplexMatrix2D
Provided 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 WrapperFComplexMatrix2D
row
- 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 setQuick(int row, int column, float re, float im)
FComplexMatrix2D
Provided 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 WrapperFComplexMatrix2D
row
- the index of the row-coordinate.column
- the index of the column-coordinate.re
- the real part of the value to be filled into the specified
cell.im
- the imaginary part of the value to be filled into the
specified cell.public void trimToSize()
AbstractMatrix
This default implementation does nothing. Override this method if necessary.
trimToSize
in class AbstractMatrix
public SparseFComplexMatrix1D viewRow(int row)
FComplexMatrix2D
viewRow
in class WrapperFComplexMatrix2D
row
- the row to fix.FComplexMatrix2D.viewColumn(int)
public FComplexMatrix2D like(int rows, int columns)
FComplexMatrix2D
like
in class WrapperFComplexMatrix2D
rows
- the number of rows the matrix shall have.columns
- the number of columns the matrix shall have.Jump to the Parallel Colt Homepage