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java.lang.Objectcern.colt.PersistentObject
cern.colt.matrix.AbstractMatrix
cern.colt.matrix.AbstractMatrix2D
cern.colt.matrix.tdcomplex.DComplexMatrix2D
cern.colt.matrix.tdcomplex.impl.WrapperDComplexMatrix2D
cern.colt.matrix.tdcomplex.impl.SparseRCMDComplexMatrix2D
public class SparseRCMDComplexMatrix2D
Sparse row-compressed-modified 2-d matrix holding complex elements. Each row is stored as SparseDComplexMatrix1D.
Constructor Summary | |
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SparseRCMDComplexMatrix2D(int rows,
int columns)
Constructs a matrix with a given number of rows and columns. |
Method Summary | |
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SparseDComplexMatrix1D[] |
elements()
Returns the elements of this matrix. |
double[] |
getQuick(int row,
int column)
Returns the matrix cell value at coordinate [row,column]. |
DComplexMatrix2D |
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 |
setQuick(int row,
int column,
double re,
double im)
Sets the matrix cell at coordinate [row,column] to the specified value. |
void |
trimToSize()
Releases any superfluous internal memory. |
SparseDComplexMatrix1D |
viewRow(int row)
Constructs and returns a new slice view representing the columns of the given row. |
Methods inherited from class cern.colt.matrix.tdcomplex.impl.WrapperDComplexMatrix2D |
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assign, assign, equals, equals, fft2, fftColumns, fftRows, getImaginaryPart, getRealPart, ifft2, ifftColumns, ifftRows, like1D, vectorize, viewColumn, viewColumnFlip, viewDice, viewPart, viewRowFlip, viewSelection, viewStrides |
Methods inherited from class cern.colt.matrix.tdcomplex.DComplexMatrix2D |
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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 |
Methods inherited from class cern.colt.matrix.AbstractMatrix2D |
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checkShape, checkShape, columns, columnStride, index, rows, rowStride, size, toStringShort |
Methods inherited from class cern.colt.matrix.AbstractMatrix |
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ensureCapacity, isView |
Methods inherited from class cern.colt.PersistentObject |
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clone |
Methods inherited from class java.lang.Object |
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getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public SparseRCMDComplexMatrix2D(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
.Method Detail |
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public SparseDComplexMatrix1D[] elements()
DComplexMatrix2D
elements
in class WrapperDComplexMatrix2D
public double[] getQuick(int row, int column)
DComplexMatrix2D
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 WrapperDComplexMatrix2D
row
- the index of the row-coordinate.column
- the index of the column-coordinate.
public void setQuick(int row, int column, double[] value)
DComplexMatrix2D
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 WrapperDComplexMatrix2D
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, double re, double im)
DComplexMatrix2D
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 WrapperDComplexMatrix2D
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 SparseDComplexMatrix1D viewRow(int row)
DComplexMatrix2D
viewRow
in class WrapperDComplexMatrix2D
row
- the row to fix.
DComplexMatrix2D.viewColumn(int)
public DComplexMatrix2D like(int rows, int columns)
DComplexMatrix2D
like
in class WrapperDComplexMatrix2D
rows
- the number of rows the matrix shall have.columns
- the number of columns the matrix shall have.
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