public class SparseDComplexMatrix2D extends DComplexMatrix2D
Constructor and Description |
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SparseDComplexMatrix2D(double[][] values)
Constructs a matrix with a copy of the given values.
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SparseDComplexMatrix2D(int rows,
int columns)
Constructs a matrix with a given number of rows and columns and default
memory usage.
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Modifier and Type | Method and Description |
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DComplexMatrix2D |
assign(DComplexMatrix2D source)
Replaces all cell values of the receiver with the values of another
matrix.
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DComplexMatrix2D |
assign(DComplexMatrix2D y,
DComplexDComplexDComplexFunction function)
Assigns the result of a function to each cell.
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DComplexMatrix2D |
assign(double[] value)
Sets all cells to the state specified by values.
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int |
cardinality()
Returns the number of cells having non-zero values; ignores tolerance.
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ConcurrentHashMap<Long,double[]> |
elements()
Returns the elements of this matrix.
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DoubleMatrix2D |
getImaginaryPart()
Returns the imaginary part of this matrix
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double[] |
getQuick(int row,
int column)
Returns the matrix cell value at coordinate [row,column].
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DoubleMatrix2D |
getRealPart()
Returns the real part of this matrix
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long |
index(int row,
int column)
Returns the position of the given coordinate within the (virtual or
non-virtual) internal 1-dimensional array.
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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.
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DComplexMatrix1D |
like1D(int size)
Construct and returns a new 1-d matrix of the corresponding dynamic
type, entirelly independent of the receiver.
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void |
setQuick(int row,
int column,
double[] value)
Sets the matrix cell at coordinate [row,column] to the specified
value.
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void |
setQuick(int row,
int column,
double re,
double im)
Sets the matrix cell at coordinate [row,column] to the specified
value.
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DComplexMatrix1D |
vectorize()
Returns a vector obtained by stacking the columns of this matrix on top
of one another.
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aggregate, aggregate, assign, assign, assign, assign, assign, assign, assign, assign, assignImaginary, assignReal, copy, equals, equals, forEachNonZero, get, getConjugateTranspose, getNonZeros, like, set, set, toArray, toString, toString, viewColumn, viewColumnFlip, viewDice, viewPart, viewRow, viewRowFlip, viewSelection, viewSelection, viewStrides, zMult, zMult, zMult, zMult, zSum
checkShape, checkShape, columns, columnStride, rows, rowStride, size, toStringShort
ensureCapacity, isView, trimToSize
clone
public SparseDComplexMatrix2D(double[][] values)
The values are copied. So subsequent changes in values are not reflected in the matrix, and vice-versa.
values
- The values to be filled into the new matrix.IllegalArgumentException
- if
for any 1 <= row < values.length: values[row].length != values[row-1].length
.public SparseDComplexMatrix2D(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 DComplexMatrix2D assign(double[] value)
DComplexMatrix2D
The values are copied. So subsequent changes in values are not reflected in the matrix, and vice-versa.
assign
in class DComplexMatrix2D
value
- the values to be filled into the cells.public DComplexMatrix2D assign(DComplexMatrix2D source)
DComplexMatrix2D
assign
in class DComplexMatrix2D
source
- the source matrix to copy from (may be identical to the
receiver).public DComplexMatrix2D assign(DComplexMatrix2D y, DComplexDComplexDComplexFunction function)
DComplexMatrix2D
assign
in class DComplexMatrix2D
y
- the secondary matrix to operate on.function
- a function object taking as first argument the current cell's
value of this, and as second argument the current
cell's value of y,DComplexFunctions
public int cardinality()
DComplexMatrix2D
cardinality
in class DComplexMatrix2D
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 DComplexMatrix2D
row
- the index of the row-coordinate.column
- the index of the column-coordinate.public ConcurrentHashMap<Long,double[]> elements()
DComplexMatrix2D
elements
in class DComplexMatrix2D
public long index(int row, int column)
AbstractMatrix2D
index
in class AbstractMatrix2D
row
- the index of the row-coordinate.column
- the index of the column-coordinate.public DComplexMatrix2D like(int rows, int columns)
DComplexMatrix2D
like
in class DComplexMatrix2D
rows
- the number of rows the matrix shall have.columns
- the number of columns the matrix shall have.public DComplexMatrix1D like1D(int size)
DComplexMatrix2D
like1D
in class DComplexMatrix2D
size
- the number of cells the matrix shall have.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 DComplexMatrix2D
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 DComplexMatrix1D vectorize()
DComplexMatrix2D
vectorize
in class DComplexMatrix2D
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 DComplexMatrix2D
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 DoubleMatrix2D getImaginaryPart()
DComplexMatrix2D
getImaginaryPart
in class DComplexMatrix2D
public DoubleMatrix2D getRealPart()
DComplexMatrix2D
getRealPart
in class DComplexMatrix2D
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