public class DiagonalDComplexMatrix2D extends WrapperDComplexMatrix2D
Constructor and Description |
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DiagonalDComplexMatrix2D(double[][] values,
int dindex)
Constructs a matrix with a copy of the given values.
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DiagonalDComplexMatrix2D(int rows,
int columns,
int dindex)
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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DComplexMatrix2D |
assign(DComplexDComplexFunction function)
Assigns the result of a function to each cell;
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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[] values)
Sets all cells to the state specified by values.
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DComplexMatrix2D |
assign(double[][] values)
Sets all cells to the state specified by values.
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DComplexMatrix2D |
assign(double re,
double im)
Sets all cells to the state specified by re and im.
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DComplexMatrix2D |
assign(float[] values)
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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int |
diagonalIndex()
Returns the index of the diagonal
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int |
diagonalLength()
Returns the length of the diagonal
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double[] |
elements()
Returns the elements of this matrix.
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boolean |
equals(double[] value)
Returns whether all cells are equal to the given value.
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boolean |
equals(Object obj)
Compares this object against the specified object.
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DComplexMatrix2D |
forEachNonZero(IntIntDComplexFunction function)
Assigns the result of a function to each non-zero cell.
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double[] |
getQuick(int row,
int column)
Returns the matrix cell value at coordinate [row,column].
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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 |
zMult(DComplexMatrix1D y,
DComplexMatrix1D z,
double[] alpha,
double[] beta,
boolean transposeA)
Linear algebraic matrix-vector multiplication;
z = alpha * A * y + beta*z.
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fft2, fftColumns, fftRows, getImaginaryPart, getRealPart, ifft2, ifftColumns, ifftRows, vectorize, viewColumn, viewColumnFlip, viewDice, viewPart, viewRow, viewRowFlip, viewSelection, viewStrides
aggregate, aggregate, assign, assign, assign, assign, assignImaginary, assignReal, copy, get, getConjugateTranspose, getNonZeros, like, set, set, toArray, toString, toString, viewSelection, zMult, zMult, zMult, zSum
checkShape, checkShape, columns, columnStride, index, rows, rowStride, size, toStringShort
ensureCapacity, isView, trimToSize
clone
public DiagonalDComplexMatrix2D(double[][] values, int dindex)
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.dindex
- index of the diagonal.IllegalArgumentException
- if
for any 1 <= row < values.length: values[row].length != values[row-1].length || index < -rows+1 || index > columns - 1
.public DiagonalDComplexMatrix2D(int rows, int columns, int dindex)
rows
- the number of rows the matrix shall have.columns
- the number of columns the matrix shall have.dindex
- index of the diagonal.IllegalArgumentException
- if size<0 (double)size > Integer.MAX_VALUE.public DComplexMatrix2D assign(DComplexDComplexFunction function)
DComplexMatrix2D
assign
in class DComplexMatrix2D
function
- a function object taking as argument the current cell's value.DComplexFunctions
public DComplexMatrix2D assign(double re, double im)
DComplexMatrix2D
assign
in class DComplexMatrix2D
re
- the real part of the value to be filled into the cells.im
- the imaginary part of the value to be filled into the cells.public DComplexMatrix2D assign(double[] values)
DComplexMatrix2D
The values are copied. So subsequent changes in values are not reflected in the matrix, and vice-versa.
assign
in class WrapperDComplexMatrix2D
values
- the values to be filled into the cells.public DComplexMatrix2D assign(float[] values)
DComplexMatrix2D
The values are copied. So subsequent changes in values are not reflected in the matrix, and vice-versa.
assign
in class WrapperDComplexMatrix2D
values
- the values to be filled into the cells.public DComplexMatrix2D assign(double[][] values)
DComplexMatrix2D
The values are copied. So subsequent changes in values are not reflected in the matrix, and vice-versa.
assign
in class DComplexMatrix2D
values
- 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[] elements()
DComplexMatrix2D
elements
in class WrapperDComplexMatrix2D
public boolean equals(double[] value)
DComplexMatrix2D
equals
in class WrapperDComplexMatrix2D
value
- the value to test against.public boolean equals(Object obj)
DComplexMatrix2D
true
if and only if the argument is not null
and is at least a DoubleMatrix2D
object that has the same
number of columns and rows as the receiver and has exactly the same
values at the same coordinates.equals
in class WrapperDComplexMatrix2D
obj
- the object to compare with.true
if the objects are the same; false
otherwise.public DComplexMatrix2D forEachNonZero(IntIntDComplexFunction function)
DComplexMatrix2D
forEachNonZero
in class DComplexMatrix2D
function
- a function object taking as argument the current non-zero
cell's row, column and value.public int diagonalLength()
public int diagonalIndex()
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 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.public DComplexMatrix1D like1D(int size)
DComplexMatrix2D
like1D
in class WrapperDComplexMatrix2D
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 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 DComplexMatrix1D zMult(DComplexMatrix1D y, DComplexMatrix1D z, double[] alpha, double[] beta, boolean transposeA)
DComplexMatrix2D
zMult
in class DComplexMatrix2D
y
- the source vector.z
- the vector where results are to be stored. Set this parameter
to null to indicate that a new result vector shall be
constructed.Jump to the Parallel Colt Homepage