A B C D F G I L M N O P R S T U V

A

Add - Class in arundel.util.functions

Implementation of a binary addition function.

Add() - Constructor for class arundel.util.functions.Add

addGate(Gate) - Method in class arundel.core.Circuit

Adds a gate to the computation DAG i.e this Circuit.

arundel.core - package arundel.core

Contains classes that define the components for building computational graphs.

arundel.misc - package arundel.misc

Constains miscellaneous, related or unrelated classes for the arundel API.

arundel.util - package arundel.util

Contains utitlity classes for the arundel API.

arundel.util.functions - package arundel.util.functions

Contains classes which implement the Function interface.

B

backward() - Method in class arundel.core.Circuit

Invokes Gate.backward() on all the elements in a reverse topologically ordered list of the gates present in this circuit.

backward() - Method in interface arundel.core.Gate

Method to compute the backward computation for this gate.

backward() - Method in class arundel.core.Operator

backward() - Method in class arundel.core.Placeholder

Doesn't perform any computation as ther are no inputs to backpropagate into.

backward() - Method in class arundel.core.Variable

C

Circuit - Class in arundel.core

Class Circuit encapsulates a computational directed acyclic graph of Gates.

Circuit() - Constructor for class arundel.core.Circuit

Constant - Class in arundel.util.functions

Constant(int) - Constructor for class arundel.util.functions.Constant

constant - Variable in class arundel.util.functions.Constant

D

derivatives(double...) - Method in interface arundel.util.Function

Returns the partial derivatives of this function with respect to its parameters as an array of Function

derivatives(double...) - Method in class arundel.util.functions.Add

derivatives(double...) - Method in class arundel.util.functions.Constant

derivatives(double...) - Method in class arundel.util.functions.Identity

derivatives(double...) - Method in class arundel.util.functions.Multiply

derivatives(double...) - Method in class arundel.util.functions.Negation

derivatives(double...) - Method in class arundel.util.functions.Reciprocal

F

forward() - Method in class arundel.core.Circuit

Invokes Gate.forward() on all the elements in a topologically ordered list of the gates present in this circuit.

forward() - Method in interface arundel.core.Gate

Method to compute the forward computation for this gate.

forward() - Method in class arundel.core.Operator

forward() - Method in class arundel.core.Placeholder

forward() - Method in class arundel.core.Variable

Function - Interface in arundel.util

Interface for abstracting the concept of mathematical functions.

G

Gate - Interface in arundel.core

A Gate is the basic building block for the computational directed acyclic graph (DAG).

gates() - Method in class arundel.core.Circuit

Returns a Set of Gates in this circuit.

getData() - Method in class arundel.core.Link

Returns the data contained in this link.

getSorted() - Method in class arundel.util.TopologicalSorter

Returns the cached sorted list of gates

getValue() - Method in class arundel.core.Placeholder

Returns the value stored in this Gate

getValue() - Method in class arundel.core.Variable

Getter method for value stored

I

Identity - Class in arundel.util.functions

Identity() - Constructor for class arundel.util.functions.Identity

initialize(Gate...) - Method in class arundel.core.Operator

Initializes the inputs of this gate using the given list of parameters.

inputs() - Method in interface arundel.core.Gate

Returns the list of input links (incoming edges) for this Gate.

inputs() - Method in class arundel.core.Operator

inputs() - Method in class arundel.core.Placeholder

inputs() - Method in class arundel.core.Variable

L

Library - Class in arundel.misc

Library() - Constructor for class arundel.misc.Library

Link - Class in arundel.core

Class to establish the link between two gates in the computational circuit and enable the transimission of data between them.

Link(Gate, Gate) - Constructor for class arundel.core.Link

Constructor for class Link.

M

Multiply - Class in arundel.util.functions

Implementation of a binary product function.

Multiply() - Constructor for class arundel.util.functions.Multiply

N

Negation - Class in arundel.util.functions

Negation() - Constructor for class arundel.util.functions.Negation

noOfInputs() - Method in interface arundel.util.Function

Returns the no of inputs that this function needs.

noOfInputs() - Method in class arundel.util.functions.Add

noOfInputs() - Method in class arundel.util.functions.Constant

Note that the no of inputs for a constant function does not matter as it will output the same constant irrespective of the input.

noOfInputs() - Method in class arundel.util.functions.Identity

noOfInputs() - Method in class arundel.util.functions.Multiply

noOfInputs() - Method in class arundel.util.functions.Negation

noOfInputs() - Method in class arundel.util.functions.Reciprocal

Note that the no of inputs for a constant function does not matter as it will output the same constant irrespective of the input.

O

op() - Static method in class arundel.util.functions.Add

Creates a new instance of Add

op(int) - Static method in class arundel.util.functions.Constant

Creates a new instance of Constant

op() - Static method in class arundel.util.functions.Identity

Creates a new instance of Identity

op() - Static method in class arundel.util.functions.Multiply

Creates a new instance of Multiply

op() - Static method in class arundel.util.functions.Negation

Creates a new instance of Negation

op() - Static method in class arundel.util.functions.Reciprocal

Creates a new instance of Reciprocal

operate(double...) - Method in interface arundel.util.Function

Operates on the given set of inputs and returns the result of the operation.

operate(double...) - Method in class arundel.util.functions.Add

Return the sum of the parameters passesd in.

operate(double...) - Method in class arundel.util.functions.Constant

operate(double...) - Method in class arundel.util.functions.Identity

operate(double...) - Method in class arundel.util.functions.Multiply

Return the multiplication of the parameters passed in.

operate(double...) - Method in class arundel.util.functions.Negation

operate(double...) - Method in class arundel.util.functions.Reciprocal

Operator - Class in arundel.core

An Operator is a site for computation of data.

Operator(Function) - Constructor for class arundel.core.Operator

Creates an instance of Operator using a Function

operators() - Method in class arundel.core.Circuit

Returns a Set of Operators in this circuit.

outputs() - Method in interface arundel.core.Gate

Returns the list of output links (outgoing edges) for this Gate.

outputs() - Method in class arundel.core.Operator

outputs() - Method in class arundel.core.Placeholder

outputs() - Method in class arundel.core.Variable

P

Placeholder - Class in arundel.core

A Placeholder is essentially a non-trainable Gate for storing labels.

Placeholder(double) - Constructor for class arundel.core.Placeholder

Creted a Placeholder with an inital value.

placeholders() - Method in class arundel.core.Circuit

Returns a Set of Placeholders in this circuit.

R

Reciprocal - Class in arundel.util.functions

Reciprocal() - Constructor for class arundel.util.functions.Reciprocal

S

setData(double) - Method in class arundel.core.Link

Sets the data to be transmitted through this link.

setValue(double) - Method in class arundel.core.Placeholder

Sets the value stored in this Gate

setValue(double) - Method in class arundel.core.Variable

Setter method for value stored in this variable

sink - Variable in class arundel.core.Link

Portal for transimission of data

someLibraryMethod() - Method in class arundel.misc.Library

sort(boolean) - Method in class arundel.util.TopologicalSorter

Returns the sorted list of Gates as a List as a result of the sorting.

sort() - Method in class arundel.util.TopologicalSorter

Returns the gates sorted topologically in a top-down ordering.

source - Variable in class arundel.core.Link

Portal for transimission of data

T

TopologicalSorter - Class in arundel.util

Class to encapsulate the topological sorting algorithm.

TopologicalSorter(Circuit) - Constructor for class arundel.util.TopologicalSorter

Constructs an instance of a TopologicalSorter from a Circuit

U

update() - Method in interface arundel.core.Gate

Update the parmameters of this gate on the basis of backward computation.

update() - Method in class arundel.core.Operator

update() - Method in class arundel.core.Placeholder

Doesn't perform any computation as this Gate is essentially non-trainable.

update() - Method in class arundel.core.Variable

V

Variable - Class in arundel.core

Class to implement a Variable as component in the computation graph.

Variable(double) - Constructor for class arundel.core.Variable

Constructs an instance of a Variable Gate with an empty list of output Links and an initial value and a trainable flag.

variables() - Method in class arundel.core.Circuit

Returns a Set of Variables in this circuit.

visit(Gate, boolean) - Method in class arundel.util.TopologicalSorter

Visits this Gates and its adjacent gates recursively, in order to order them in a topologically sorted manner.

A B C D F G I L M N O P R S T U V