Constructor and Description |
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FloatMatrix(float[] data)
Construct a new row vector given the data
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FloatMatrix(float[][] data)
Construct a new matrix given the data as a two dimensions array
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FloatMatrix(int rows)
Construct a new row vector given the number of rows
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FloatMatrix(int rows,
int cols)
Construct a new matrix given the number of rows and columns
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FloatMatrix(int rows,
int cols,
boolean zeroInit)
Construct a new matrix given the number of rows and columns.
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FloatMatrix(int rows,
int cols,
float[] data)
Construct a new matrix given the number of rows, columns and the data as a linear array
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Modifier and Type | Method and Description |
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FloatMatrix |
add(float scalar)
Add a scalar
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FloatMatrix |
add(FloatMatrix matrix)
Add a matrix
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FloatMatrix |
add(FloatMatrix A,
FloatMatrix B)
Make the current matrix be the result of the addition of two matrices
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FloatMatrix |
add(FloatMatrix A,
FloatMatrix B,
int rows,
int cols,
int RrowStart,
int RcolStart,
int ArowStart,
int AcolStart,
int BrowStart,
int BcolStart)
Make the current (sub) matrix be the result of the addition of two sub matrices
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FloatMatrix |
addi(float scalar)
In place add a scalar
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FloatMatrix |
addi(FloatMatrix matrix)
In place add a matrix
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int |
argmax()
The linear index of the maximum element of the matrix
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int |
argmin()
The linear index of the minimum element of the matrix
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FloatMatrix |
arrayDiv(FloatMatrix matrix)
Element-wise divide by a matrix
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FloatMatrix |
arrayDivi(FloatMatrix matrix)
In place element-wise divide by a matrix
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FloatMatrix |
arrayMul(FloatMatrix matrix)
Element-wise multiply by a matrix
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FloatMatrix |
arrayMuli(FloatMatrix matrix)
In place element-wise multiply by a matrix
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FloatMatrix |
arrayTranspose()
Transpose.
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FloatMatrix |
arrayTransposei()
Transpose in place.
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java.lang.Object |
clone()
Makes a deep copy of this matrix.
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float |
det()
Matrix determinant
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static FloatMatrix |
diag(FloatMatrix v)
Create a diagonal matrix with vector v on the main diagonal
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static FloatMatrix |
diag(FloatMatrix v,
int k)
Create a diagonal matrix with vector v on the diagonal k
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FloatMatrix |
diag(int k)
Return the k-th diagonal of the matrix.
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FloatMatrix |
div(float scalar)
Divide by a scalar
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FloatMatrix |
div(FloatMatrix matrix)
Divide by a matrix
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FloatMatrix |
div(FloatMatrix A,
FloatMatrix B)
Make the current matrix be the result of the division of two matrices
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FloatMatrix |
divi(float scalar)
In place divide by a scalar
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FloatMatrix |
divi(FloatMatrix matrix)
In place divide by a matrix
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FloatMatrix |
duplicate(FloatMatrix A)
Copy the data of a matrix to the current matrix.
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FloatMatrix |
eq(float scalar)
Element-wise equals between matrix elements and a scalar
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FloatMatrix |
eq(FloatMatrix matrix)
Element-wise equals between matrices elements
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FloatMatrix |
eqi(float scalar)
In place element-wise equals between matrix elements and a scalar
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FloatMatrix |
eqi(FloatMatrix matrix)
In place element-wise equals between matrices elements
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boolean |
equals(java.lang.Object object)
Equals between matrices
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static FloatMatrix |
eye(int dim)
Create a square identity matrix
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static FloatMatrix |
eye(int rows,
int cols)
Create an identity matrix with the given dimensions
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FloatMatrix |
ge(float scalar)
Element-wise greater or equals between matrix elements and a scalar
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FloatMatrix |
ge(FloatMatrix matrix)
Element-wise greater or equals between matrices elements
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FloatMatrix |
gei(float scalar)
In place element-wise greater or equals between matrix elements and a scalar
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FloatMatrix |
gei(FloatMatrix matrix)
In place element-wise greater or equals between matrices elements
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float |
get(int index)
Get the element at the given linear index
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float |
get(int row,
int col)
Get the element at the given row and column
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FloatMatrix |
get(Range range)
Get a vector of the elements at the given linear index range
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FloatMatrix |
get(Range rowsRange,
Range colsRange)
Get a matrix of the elements at the given index ranges
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FloatMatrix |
getColumn(int column)
Get a vector of the elements at the given column
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int |
getColumns()
Get the number of columns
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static double |
getEpsilon()
get epsilon
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int |
getLength()
Get the total number of elements
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FloatMatrix |
getRow(int row)
Get a vector of the elements at the given row
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int |
getRows()
Get the number of rows
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FloatMatrix |
gt(float scalar)
Element-wise greater than between matrix elements and a scalar
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FloatMatrix |
gt(FloatMatrix matrix)
Element-wise greater than between matrices elements
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FloatMatrix |
gti(float scalar)
In place element-wise greater than between matrix elements and a scalar
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FloatMatrix |
gti(FloatMatrix matrix)
In place element-wise greater than between matrices elements
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boolean |
isColumnVector()
Checks whether the matrix is a column vector
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boolean |
isEmpty()
Checks whether the matrix is empty
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boolean |
isRowVector()
Checks whether the matrix is a row vector
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boolean |
isSquare()
Checks whether the matrix is square
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boolean |
isVector()
Checks whether the matrix is a vector
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FloatMatrix |
le(float scalar)
Element-wise lower or equals between matrix elements and a scalar
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FloatMatrix |
le(FloatMatrix matrix)
Element-wise lower or equals between matrices elements
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FloatMatrix |
lei(float scalar)
In place element-wise lower or equals between matrix elements and a scalar
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FloatMatrix |
lei(FloatMatrix matrix)
In place element-wise lower or equals between matrices elements
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FloatMatrix |
lt(float scalar)
Element-wise lower than between matrix elements and a scalar
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FloatMatrix |
lt(FloatMatrix matrix)
Element-wise lower than between matrices elements
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FloatMatrix |
lti(float scalar)
In place element-wise lower than between matrix elements and a scalar
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FloatMatrix |
lti(FloatMatrix matrix)
In place element-wise lower than between matrices elements
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float |
max()
The maximum element of the matrix
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FloatMatrix |
max(float scalar)
Element-wise maximum between matrix elements and a scalar
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FloatMatrix |
max(FloatMatrix matrix)
Element-wise maximum between matrices
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FloatMatrix |
maxi(float scalar)
In place element-wise maximum between matrix elements and a scalar
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FloatMatrix |
maxi(FloatMatrix matrix)
In place element-wise maximum between matrices
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float |
mean()
The mean value of all elements in the matrix
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float |
min()
The minimum element of the matrix
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FloatMatrix |
min(float scalar)
Element-wise minimum between matrix elements and a scalar
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FloatMatrix |
min(FloatMatrix matrix)
Element-wise minimum between matrices
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FloatMatrix |
mini(float scalar)
In place element-wise minimum between matrix elements and a scalar
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FloatMatrix |
mini(FloatMatrix matrix)
In place element-wise minimum between matrices
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FloatMatrix |
mul(float scalar)
Multiply by a scalar
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FloatMatrix |
mul(FloatMatrix matrix)
Multiply by a matrix
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FloatMatrix |
mul(FloatMatrix A,
FloatMatrix B)
Make the current matrix be the result of the multiplication of two matrices
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FloatMatrix |
mul(FloatMatrix A,
FloatMatrix B,
int rows,
int colsRows,
int cols,
int RrowStart,
int RcolStart,
int ArowStart,
int AcolStart,
int BrowStart,
int BcolStart)
Make the current matrix be the result of the multiplication of two sub matrices
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FloatMatrix |
muli(float scalar)
In place multiply by a scalar
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FloatMatrix |
muli(FloatMatrix matrix)
In place multiply by a matrix
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FloatMatrix |
ne(float scalar)
Element-wise not-equals between matrix elements and a scalar
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FloatMatrix |
ne(FloatMatrix matrix)
Element-wise not-equals between matrices elements
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FloatMatrix |
nei(float scalar)
In place element-wise not-equals between matrix elements and a scalar
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FloatMatrix |
nei(FloatMatrix matrix)
In place element-wise not-equals between matrices elements
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float |
norm1()
The 1-norm of the matrix
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float |
norm2()
The 2-norm of the matrix
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float |
normInf()
The Inf-norm of the matrix
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static FloatMatrix |
ones(int dim)
Create a square matrix filled with ones
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static FloatMatrix |
ones(int rows,
int cols)
Create a matrix filled with ones with the given dimensions
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float |
prod()
The product of all elements of the matrix
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static FloatMatrix |
rand(int dim)
Create a square matrix filled with random elements uniformly distributed ont the interval (0, 1)
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static FloatMatrix |
rand(int rows,
int cols)
Create a matrix filled with random elements uniformly distributed on the interval (0, 1)
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static FloatMatrix |
randn(int dim)
Create a square matrix filled with random elements normally distributed on the interval (0, 1)
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static FloatMatrix |
randn(int dim,
float mean,
float standardDeviation)
Create a square matrix filled with random elements normally distributed on the interval [minInterval, maxInterval]
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static FloatMatrix |
randn(int rows,
int cols)
Create a matrix filled with random elements normally distributed on the interval (0, 1)
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static FloatMatrix |
randn(int rows,
int cols,
float mean,
float standardDeviation)
Create a matrix filled with random elements normally distributed on the interval [minInterval, maxInterval]
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static FloatMatrix |
repmat(float scalar,
int rows,
int cols)
Create a matrix of dimensions rows by columns containing the given scalar
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static FloatMatrix |
repmat(FloatMatrix matrix,
int rows,
int cols)
Create a matrix containing rows by columns replications of the given matrix
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FloatMatrix |
resize(int rows,
int columns)
Resize the matrix whith the given dimensions.
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FloatMatrix |
resizei(int rows,
int columns)
In-place resize the matrix whith the given dimensions.
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void |
set(int index,
float element)
Set the element at the given linear index
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void |
set(int row,
int col,
float element)
Set the element at the given row and column
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void |
set(Range range,
float element)
Set the elements at the given linear index range
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void |
set(Range rowsRange,
Range colsRange,
float element)
Set the elements at the given index ranges
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void |
setColumn(int column,
FloatMatrix vector)
Set the elements at the given column
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static void |
setEpsilon(double epsilon)
Set epsilon
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void |
setRow(int row,
FloatMatrix vector)
Set the elements at the given row
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FloatMatrix |
sub(float scalar)
Subtract a scalar
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FloatMatrix |
sub(FloatMatrix matrix)
Subtract a matrix
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FloatMatrix |
sub(FloatMatrix A,
FloatMatrix B)
Make the current matrix be the result of the subtraction of two matrices
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FloatMatrix |
sub(FloatMatrix A,
FloatMatrix B,
int rows,
int cols,
int RrowStart,
int RcolStart,
int ArowStart,
int AcolStart,
int BrowStart,
int BcolStart)
Make the current (sub) matrix be the result of the subtraction of two sub matrices
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FloatMatrix |
subi(float scalar)
In place subtract a scalar
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FloatMatrix |
subi(FloatMatrix matrix)
In place subtract a matrix
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float |
sum()
The sum of all elements of the matrix
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float[][] |
toArray()
Convert to a 2D array of float
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ComplexDoubleMatrix |
toComplexDoubleMatrix()
Convert the current matrix to ComplexDoubleMatrix
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ComplexFloatMatrix |
toComplexFloatMatrix()
Convert the current matrix to ComplexFloatMatrix
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DoubleMatrix |
toDoubleMatrix()
Convert the current matrix to DoubleMatrix
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FloatMatrix |
toFloatMatrix()
Convert the current matrix to FloatMatrix
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java.lang.String |
toString()
Get string representation of this complex
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float[] |
toVector()
Convert to a 1D array of float
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FloatMatrix |
transpose()
Transpose.
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FloatMatrix |
transpose(FloatMatrix matrix)
Transpose a matrix and store the result into the current matrix.
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FloatMatrix |
transposei()
Transpose in place.
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static FloatMatrix |
zeros(int dim)
Create a square matrix filled with zeros
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static FloatMatrix |
zeros(int rows,
int cols)
Create a matrix filled with zeros with the given dimensions
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public FloatMatrix(int rows, int cols)
rows
- Number of rowscols
- Number of columnspublic FloatMatrix(int rows, int cols, boolean zeroInit)
rows
- Number of rowscols
- Number of columnszeroInit
- set to true to initialize to zero the content of the matrix. If false the content is not cleared.public FloatMatrix(int rows, int cols, float[] data)
rows
- Number of rowscols
- Number of columnsdata
- The data as a one dimension arraypublic FloatMatrix(float[][] data)
data
- The data as a two dimensions arraypublic FloatMatrix(int rows)
rows
- Number of rowspublic FloatMatrix(float[] data)
data
- The datapublic java.lang.Object clone()
clone
in class java.lang.Object
public FloatMatrix duplicate(FloatMatrix A)
A
- matrix to copy the data fromIllegalArguementException
- if matrices are not the same sizepublic float get(int row, int col)
row
- The rowcol
- The columnpublic void set(int row, int col, float element)
row
- The rowcol
- The columnelement
- The element to setpublic float get(int index)
index
- The linear indexpublic void set(int index, float element)
index
- The linear indexelement
- The element to setpublic FloatMatrix get(Range rowsRange, Range colsRange)
rowsRange
- Index range of the rows to getcolsRange
- Index range of the columns to getpublic void set(Range rowsRange, Range colsRange, float element)
rowsRange
- Index range of the rows to setcolsRange
- Index range of the columns to setelement
- Element to setpublic FloatMatrix get(Range range)
range
- Linear range of the elements to getpublic void set(Range range, float element)
range
- Linear range of the elements to setelement
- Element to setpublic FloatMatrix getRow(int row)
row
- Row of the elements to getpublic void setRow(int row, FloatMatrix vector)
row
- Row of the elements to setvector
- Vector of the elements to setpublic FloatMatrix getColumn(int column)
column
- Column of the elements to getpublic void setColumn(int column, FloatMatrix vector)
column
- Column of the elements to setvector
- Vector of the elements to setpublic int getRows()
public int getColumns()
public int getLength()
public boolean isEmpty()
public boolean isSquare()
public boolean isVector()
public boolean isRowVector()
public boolean isColumnVector()
public static FloatMatrix eye(int dim)
dim
- Dimension of the square matrix to createpublic static FloatMatrix eye(int rows, int cols)
rows
- Number of rowscols
- Number of columnspublic static FloatMatrix zeros(int dim)
dim
- Dimension of the square matrix to createpublic static FloatMatrix zeros(int rows, int cols)
rows
- Number of rowscols
- Number of columnspublic static FloatMatrix ones(int dim)
dim
- Dimension of the square matrix to createpublic static FloatMatrix ones(int rows, int cols)
rows
- Number of rowscols
- Number of columnspublic static FloatMatrix diag(FloatMatrix v, int k)
v
- Vector of k elementsk
- If k is positive, the vector is placed on the k-th super diagonal. If it is negative, it is placed on the -k-th sub-diagonal.public static FloatMatrix diag(FloatMatrix v)
v
- Vector of elementspublic static FloatMatrix repmat(FloatMatrix matrix, int rows, int cols)
matrix
- The matrix to replicaterows
- The number of horizontal replications of the matrixcols
- The number of vertical replications of the matrixpublic static FloatMatrix repmat(float scalar, int rows, int cols)
scalar
- The scalar to replicaterows
- Number of rowscols
- Number of columnspublic static FloatMatrix rand(int dim)
dim
- Dimension of the square matrix to createpublic static FloatMatrix rand(int rows, int cols)
rows
- Number of rowscols
- Number of columnspublic static FloatMatrix randn(int dim)
dim
- Dimension of the square matrix to createpublic static FloatMatrix randn(int dim, float mean, float standardDeviation)
dim
- Dimension of the square matrix to createmean
- the mean value for the generated numbersstandardDeviation
- the standard deviation for the generated numberspublic static FloatMatrix randn(int rows, int cols)
rows
- Number of rowscols
- Number of columnspublic static FloatMatrix randn(int rows, int cols, float mean, float standardDeviation)
rows
- Number of rowscols
- Number of columnsmean
- the mean value for the generated numbersstandardDeviation
- the standard deviation for the generated numberspublic float[] toVector()
public float[][] toArray()
public FloatMatrix add(FloatMatrix matrix)
matrix
- The matrix to add to the current matrixpublic FloatMatrix add(FloatMatrix A, FloatMatrix B)
A
- One the matrices to addB
- The other matrix to addpublic FloatMatrix addi(FloatMatrix matrix)
matrix
- The matrix to add to the current matrixpublic FloatMatrix add(float scalar)
scalar
- The scalar to add to the current matrixpublic FloatMatrix addi(float scalar)
scalar
- The scalar to add to the current matrixpublic FloatMatrix add(FloatMatrix A, FloatMatrix B, int rows, int cols, int RrowStart, int RcolStart, int ArowStart, int AcolStart, int BrowStart, int BcolStart)
A
- One the matrices to addB
- The other matrix to addpublic FloatMatrix sub(FloatMatrix matrix)
matrix
- The matrix to subtract to the current matrixpublic FloatMatrix sub(FloatMatrix A, FloatMatrix B)
A
- One the matrices to subtractB
- The other matrix to subtractpublic FloatMatrix subi(FloatMatrix matrix)
matrix
- The matrix to subtract to the current matrixpublic FloatMatrix sub(float scalar)
scalar
- The scalar to subtract to the current matrixpublic FloatMatrix subi(float scalar)
scalar
- The scalar to subtract to the current matrixpublic FloatMatrix sub(FloatMatrix A, FloatMatrix B, int rows, int cols, int RrowStart, int RcolStart, int ArowStart, int AcolStart, int BrowStart, int BcolStart)
A
- One the matrices to subtractB
- The other matrix to subtractpublic FloatMatrix mul(FloatMatrix matrix)
matrix
- The matrix to multiply the current matrix bypublic FloatMatrix mul(FloatMatrix A, FloatMatrix B)
A
- One the matrices to multiplyB
- The other matrix to multiplyjava.lang.IllegalArgumentException
- if B == thispublic FloatMatrix muli(FloatMatrix matrix)
matrix
- The matrix to multiply the current matrix bypublic FloatMatrix mul(float scalar)
scalar
- The scalar to multiply the current matrix bypublic FloatMatrix muli(float scalar)
scalar
- The scalar to multiply the current matrix bypublic FloatMatrix mul(FloatMatrix A, FloatMatrix B, int rows, int colsRows, int cols, int RrowStart, int RcolStart, int ArowStart, int AcolStart, int BrowStart, int BcolStart)
A
- One the matrices to multiplyB
- The other matrix to multiplyjava.lang.IllegalArgumentException
- if B == this
subThis = subA * subB
subThis is a sub matrix of this which starts at the (RrowStart,RcolStart) and its size is (rows,cols)
subA is a sub matrix of A which starts at the (ArowStart,AcolStart) and its size is (rows,colsRows)
subB is a sub matrix of B which starts at the (BrowStart,BcolStart) and its size is (colsRows, cols)public FloatMatrix arrayMul(FloatMatrix matrix)
matrix
- The matrix to element-wise multiply the current matrix bypublic FloatMatrix arrayMuli(FloatMatrix matrix)
matrix
- The matrix to element-wise multiply the current matrix bypublic FloatMatrix div(FloatMatrix matrix)
matrix
- The matrix to divide the current matrix bypublic FloatMatrix div(FloatMatrix A, FloatMatrix B)
A
- matrix for numerator (dividend)B
- matrix for denominator (divisor)java.lang.IllegalArgumentException
- if B == this
if 'this' and 'A*B' are not the same sizepublic FloatMatrix divi(FloatMatrix matrix)
matrix
- The matrix to divide the current matrix bypublic FloatMatrix div(float scalar)
scalar
- The scalar to divide the current matrix bypublic FloatMatrix divi(float scalar)
scalar
- The scalar to divide the current matrix bypublic FloatMatrix arrayDiv(FloatMatrix matrix)
matrix
- The matrix to element-wise divide the current matrix bypublic FloatMatrix arrayDivi(FloatMatrix matrix)
matrix
- The matrix to element-wise divide the current matrix bypublic boolean equals(java.lang.Object object)
equals
in class java.lang.Object
object
- The object to compare withFloatMatrix
with equal elementspublic FloatMatrix eq(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix eqi(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix eq(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix eqi(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix ne(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix nei(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix ne(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix nei(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix gt(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix gti(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix gt(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix gti(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix lt(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix lti(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix lt(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix lti(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix ge(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix gei(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix ge(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix gei(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix le(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix lei(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix le(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix lei(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix diag(int k)
k
- If k is positive, returns the k-th super diagonal. If it is negative, returns the -k-th sub-diagonal. If k is zero, returns the main diagonal.public FloatMatrix transpose()
public FloatMatrix transpose(FloatMatrix matrix)
matrix
- the matrix where the result will be storedjava.lang.IllegalArgumentException
- if the size of result is not compatible with the size of the transposepublic FloatMatrix transposei()
public FloatMatrix arrayTranspose()
public FloatMatrix arrayTransposei()
public float det()
public float sum()
public float prod()
public float mean()
public float norm1()
public float norm2()
public float normInf()
public float min()
public int argmin()
public FloatMatrix min(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix mini(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix min(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix mini(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic float max()
public int argmax()
public FloatMatrix max(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix maxi(FloatMatrix matrix)
matrix
- The matrix to compare the current matrix withpublic FloatMatrix max(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix maxi(float scalar)
scalar
- The scalar to compare the elements of the matrix withpublic FloatMatrix resize(int rows, int columns)
rows
- New number of rowscolumns
- New number of columnspublic FloatMatrix resizei(int rows, int columns)
rows
- New number of rowscolumns
- New number of columnspublic static double getEpsilon()
public static void setEpsilon(double epsilon)
public java.lang.String toString()
toString
in class java.lang.Object
public FloatMatrix toFloatMatrix()
toFloatMatrix
in interface Matrix
public DoubleMatrix toDoubleMatrix()
toDoubleMatrix
in interface Matrix
public ComplexFloatMatrix toComplexFloatMatrix()
toComplexFloatMatrix
in interface Matrix
public ComplexDoubleMatrix toComplexDoubleMatrix()
toComplexDoubleMatrix
in interface Matrix