Objeck Classes

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Matrix2D

2D matrix operations

Operations

Add
Concatenate
Divide
Dot
DotSigmoid
Multiple
Random
RandomNormal
Sigmoid
Split
Subtract
Transpose

Add

Adds a constant to a matrix

function : native : Add(x:Float, b:Float[,]) ~ Float[,]

Parameters

Name	Type	Description
x	Float	constant to add
b	Float[,]	matrix

Return

Type	Description
Float[,]	updated matrix

Adds a constant to a matrix

function : native : Add(b:Float[,], x:Float) ~ Float[,]

Parameters

Name	Type	Description
b	Float[,]	matrix
x	Float	constant to add

Return

Type	Description
Float[,]	updated matrix

Adds two matrices

function : native : Add(a:Float[,], b:Float[,]) ~ Float[,]

Parameters

Name	Type	Description
a	Float[,]	matrix
b	Float[,]	matrix

Return

Type	Description
Float[,]	updated matrix

Concatenate

Concatenates two matrix

function : Concatenate(a:Float[,], b:Float[,], is_row:Bool) ~ Float[,]

Parameters

Name	Type	Description
a	Float[,]	left matrix
b	Float[,]	right matrix
is_row	Bool	true concatenate by rows, false for columns

Return

Type	Description
Float[,]	concatenated matrix

Divide

Divides a constant by a matrix

function : native : Divide(b:Float[,], x:Float) ~ Float[,]

Parameters

Name	Type	Description
b	Float[,]	matrix
x	Float	constant to divide

Return

Type	Description
Float[,]	updated matrix

Divides a constant by a matrix

function : native : Divide(x:Float, b:Float[,]) ~ Float[,]

Parameters

Name	Type	Description
x	Float	constant to divide
b	Float[,]	matrix

Return

Type	Description
Float[,]	updated matrix

Divides two matrices

function : native : Divide(a:Float[,], b:Float[,]) ~ Float[,]

Parameters

Name	Type	Description
a	Float[,]	matrix
b	Float[,]	matrix

Return

Type	Description
Float[,]	updated matrix

Dot

Calculates the dot product.

function : native : Dot(a:Float[,], b:Float[,]) ~ Float[,]

Parameters

Name	Type	Description
a	Float[,]	matrix
b	Float[,]	matrix

Return

Type	Description
Float[,]	updated matrix

DotSigmoid

Calculates the Dot Product applying while applying the Sigmoid function to all elements

function : native : DotSigmoid(a:Float[,], b:Float[,]) ~ Float[,]

Parameters

Name	Type	Description
a	Float[,]	matrix
b	Float[,]	matrix

Return

Type	Description
Float[,]	updated matrix

Multiple

Multiplies a constant by a matrix

function : native : Multiple(x:Float, b:Float[,]) ~ Float[,]

Parameters

Name	Type	Description
x	Float	constant to multiple
b	Float[,]	matrix

Return

Type	Description
Float[,]	updated matrix

Multiplies a constant by a matrix

function : native : Multiple(b:Float[,], x:Float) ~ Float[,]

Parameters

Name	Type	Description
b	Float[,]	matrix
x	Float	constant to multiple

Return

Type	Description
Float[,]	updated matrix

Multiplies two matrices using the Hadamard rule

function : native : Multiple(a:Float[,], b:Float[,]) ~ Float[,]

Parameters

Name	Type	Description
a	Float[,]	matrix
b	Float[,]	matrix

Return

Type	Description
Float[,]	updated matrix

Random

Generates a random 2D array of values from 0.0 to 1.0

function : Random(rows:Int, cols:Int) ~ Float[,]

Parameters

Name	Type	Description
rows	Int	rows
cols	Int	columns

Return

Type	Description
Float[,]	updated matrix

RandomNormal

Generates a random normal distribution of values

function : RandomNormal(mean:Float, variance:Float, rows:Int, cols:Int) ~ Float[,]

Parameters

Name	Type	Description
mean	Float	center of values
variance	Float	variance in values
rows	Int	rows
cols	Int	columns

Return

Type	Description
Float[,]	updated matrix

Generates a random normal value

function : RandomNormal(mean:Float, variance:Float) ~ Float

Parameters

Name	Type	Description
mean	Float	center of values
variance	Float	variance in values

Return

Type	Description
Float	updated matrix

Sigmoid

Sigmoid 'S' function

function : native : Sigmoid(x:Float) ~ Float

Parameters

Name	Type	Description
x	Float	input value

Return

Type	Description
Float	Sigmoid value

Applies the Sigmoid function to all elements

function : native : Sigmoid(b:Float[,]) ~ Float[,]

Parameters

Name	Type	Description
b	Float[,]	matrix

Return

Type	Description
Float[,]	updated matrix

Split

Splits a matrix

function : native : Split(b:Float[,], offset:Int, count:Int, is_row:Bool) ~ Float[,]

Parameters

Name	Type	Description
b	Float[,]	matrix
offset	Int	offset index
count	Int	number of rows to split
is_row	Bool	true for row split, false for column

Return

Type	Description
Float[,]	copied matrix

Subtract

Subtracts a constant from a matrix

function : native : Subtract(x:Float, b:Float[,]) ~ Float[,]

Parameters

Name	Type	Description
x	Float	constant to subtract
b	Float[,]	matrix

Return

Type	Description
Float[,]	updated matrix

Adds a constant to a matrix

function : native : Subtract(b:Float[,], x:Float) ~ Float[,]

Parameters

Name	Type	Description
b	Float[,]	matrix
x	Float	constant to add

Return

Type	Description
Float[,]	updated matrix

Subtracts two matrices

function : native : Subtract(a:Float[,], b:Float[,]) ~ Float[,]

Parameters

Name	Type	Description
a	Float[,]	matrix
b	Float[,]	matrix

Return

Type	Description
Float[,]	updated matrix

Transpose

Transpose a matrix swapping rows and columns.

function : native : Transpose(a:Float[,]) ~ Float[,]

Parameters

Name	Type	Description
a	Float[,]	matrix

Return

Type	Description
Float[,]	transposed matrix