mat

Type Members

class MatAny[T] extends Mat[T]

A Mat instance containing elements of type Any
class MatBool extends Mat[Boolean]

A Mat instance containing elements of type Boolean
class MatCols[A] extends IndexedSeq[Vec[A]]

An IndexedSeq of Vecs which must all have the same length; a container for 2D data for a Frame.
class MatDouble extends Mat[Double]

A Mat instance containing elements of type Double
class MatInt extends Mat[Int]

A Mat instance containing elements of type Int
class MatLong extends Mat[Long]

A Mat instance containing elements of type Long

Value Members

object MatCols
object MatMath

Matrix mathematical helper routines.
def diag(v: Vec[Double]): Mat[Double]

Given a vector, create a matrix whose diagonal entries equal the vector, with zeros off-diagonal.
Given a vector, create a matrix whose diagonal entries equal the vector, with zeros off-diagonal.
v
The vector of source data
def ident(n: Int): Mat[Double]

Create a square identity matrix of dimension n x n
Create a square identity matrix of dimension n x n
n
The number of rows/columns of the square matrix
def ones(rows: Int, cols: Int): Mat[Double]
def rand(rows: Int, cols: Int): Mat[Double]

Generate a uniform random Mat[Double] of a certain size
Generate a uniform random Mat[Double] of a certain size
rows
Number of rows
cols
Number of rows
def randI(rows: Int, cols: Int): Mat[Int]

Generate a uniform random Mat[Int] of a certain size
Generate a uniform random Mat[Int] of a certain size
rows
Number of rows
cols
Number of rows
def randl(rows: Int, cols: Int): Mat[Long]

Generate a uniform random Mat[Long] of a certain size
Generate a uniform random Mat[Long] of a certain size
rows
Number of rows
cols
Number of rows
def randn(rows: Int, cols: Int): Mat[Double]

Generate a gaussian(0, 1) random Mat[Double] of a certain size
Generate a gaussian(0, 1) random Mat[Double] of a certain size
rows
Number of rows
cols
Number of rows
def randn2(rows: Int, cols: Int, mu: Double, sigma: Double): Mat[Double]

Generate a gaussian(mu, sigma) random Mat[Double] of a certain size
Generate a gaussian(mu, sigma) random Mat[Double] of a certain size
rows
Number of rows
cols
Number of rows
mu
Mean of distribution
sigma
Stdev of distribution
def randp(rows: Int, cols: Int): Mat[Double]

Generate a uniform random positive Mat[Double] of a certain size
Generate a uniform random positive Mat[Double] of a certain size
rows
Number of rows
cols
Number of rows
def randpi(rows: Int, cols: Int): Mat[Int]

Generate a uniform random positive Mat[Int] of a certain size
Generate a uniform random positive Mat[Int] of a certain size
rows
Number of rows
cols
Number of rows
def randpl(rows: Int, cols: Int): Mat[Long]

Generate a uniform random positive Mat[Long] of a certain size
Generate a uniform random positive Mat[Long] of a certain size
rows
Number of rows
cols
Number of rows
def repeat[T](v: Array[T], n: Int, asRows: Boolean)(implicit arg0: ST[T]): Mat[T]

Repeats an array in a particular direction to create a 2D matrix
Repeats an array in a particular direction to create a 2D matrix
T
type of elements in array
v
array of values to repeat
n
number of repetitions
asRows
if true, returns row-tiling; default is column-tiling
def zeros(rows: Int, cols: Int): Mat[Double]

package mat

Type Members

class MatAny[T] extends Mat[T]

class MatBool extends Mat[Boolean]

class MatCols[A] extends IndexedSeq[Vec[A]]

class MatDouble extends Mat[Double]

class MatInt extends Mat[Int]

class MatLong extends Mat[Long]

Value Members

object MatCols

object MatMath

def diag(v: Vec[Double]): Mat[Double]

def ident(n: Int): Mat[Double]

def ones(rows: Int, cols: Int): Mat[Double]

def rand(rows: Int, cols: Int): Mat[Double]

def randI(rows: Int, cols: Int): Mat[Int]

def randl(rows: Int, cols: Int): Mat[Long]

def randn(rows: Int, cols: Int): Mat[Double]

def randn2(rows: Int, cols: Int, mu: Double, sigma: Double): Mat[Double]

def randp(rows: Int, cols: Int): Mat[Double]

def randpi(rows: Int, cols: Int): Mat[Int]

def randpl(rows: Int, cols: Int): Mat[Long]

def repeat[T](v: Array[T], n: Int, asRows: Boolean)(implicit arg0: ST[T]): Mat[T]

def zeros(rows: Int, cols: Int): Mat[Double]

Inherited from AnyRef

Inherited from Any

Ungrouped