nnp::NeuralNetwork::Neuron Struct Reference

A single neuron. More...

Collaboration diagram for nnp::NeuralNetwork::Neuron:

Public Attributes
long	count
	How often the value of this neuron has been evaluated.
double	x
	Neuron value before application of activation function.
double	value
	Neuron value.
double	dfdx
	Derivative of activation function with respect to its argument $\frac{\partial f_a}{\partial x}$.
double	d2fdx2
	Second derivative of activation function with respect to its argument $\frac{\partial^2 f_a}{\partial x^2}$.
double	bias
	Bias value assigned to this neuron (if this is neuron $y_i^n$ this bias value is $b_{i}^{n}$).
double	dxdG
	Derivative of neuron value before application of activation function with respect to input layer neurons $\frac{\partial x}{\partial G}$.
double	min
	Minimum neuron value over data set (neuron statistics).
double	max
	Maximum neuron value over data set (neuron statistics).
double	sum
	Sum of neuron values over data set (neuron statistics).
double	sum2
	Sum of squared neuron values over data set (neuron statistics).
double *	weights
	NN weights assigned to neuron.

Detailed Description

A single neuron.

Definition at line 357 of file NeuralNetwork.h.

Member Data Documentation

count

long nnp::NeuralNetwork::Neuron::count

How often the value of this neuron has been evaluated.

Definition at line 360 of file NeuralNetwork.h.

Referenced by nnp::NeuralNetwork::allocateLayer(), nnp::NeuralNetwork::propagateLayer(), and nnp::NeuralNetwork::setInput().

x

double nnp::NeuralNetwork::Neuron::x

Neuron value before application of activation function.

Definition at line 362 of file NeuralNetwork.h.

Referenced by nnp::NeuralNetwork::allocateLayer(), and nnp::NeuralNetwork::propagateLayer().

value

double nnp::NeuralNetwork::Neuron::value

Neuron value.

Definition at line 364 of file NeuralNetwork.h.

Referenced by nnp::NeuralNetwork::allocateLayer(), nnp::NeuralNetwork::propagateLayer(), and nnp::NeuralNetwork::setInput().

dfdx

double nnp::NeuralNetwork::Neuron::dfdx

Derivative of activation function with respect to its argument $\frac{\partial f_a}{\partial x}$.

Definition at line 367 of file NeuralNetwork.h.

Referenced by nnp::NeuralNetwork::allocateLayer(), and nnp::NeuralNetwork::propagateLayer().

d2fdx2

double nnp::NeuralNetwork::Neuron::d2fdx2

Second derivative of activation function with respect to its argument $\frac{\partial^2 f_a}{\partial x^2}$.

Definition at line 370 of file NeuralNetwork.h.

Referenced by nnp::NeuralNetwork::allocateLayer(), and nnp::NeuralNetwork::propagateLayer().

bias

double nnp::NeuralNetwork::Neuron::bias

Bias value assigned to this neuron (if this is neuron $y_i^n$ this bias value is $b_{i}^{n}$).

Definition at line 373 of file NeuralNetwork.h.

Referenced by nnp::NeuralNetwork::allocateLayer(), and nnp::NeuralNetwork::propagateLayer().

dxdG

double nnp::NeuralNetwork::Neuron::dxdG

Derivative of neuron value before application of activation function with respect to input layer neurons $\frac{\partial x}{\partial G}$.

Definition at line 377 of file NeuralNetwork.h.

Referenced by nnp::NeuralNetwork::allocateLayer().

min

double nnp::NeuralNetwork::Neuron::min

Minimum neuron value over data set (neuron statistics).

Definition at line 379 of file NeuralNetwork.h.

Referenced by nnp::NeuralNetwork::allocateLayer(), nnp::NeuralNetwork::propagateLayer(), and nnp::NeuralNetwork::setInput().

max

double nnp::NeuralNetwork::Neuron::max

Maximum neuron value over data set (neuron statistics).

Definition at line 381 of file NeuralNetwork.h.

Referenced by nnp::NeuralNetwork::allocateLayer(), nnp::NeuralNetwork::propagateLayer(), and nnp::NeuralNetwork::setInput().

sum

double nnp::NeuralNetwork::Neuron::sum

Sum of neuron values over data set (neuron statistics).

Definition at line 383 of file NeuralNetwork.h.

Referenced by nnp::NeuralNetwork::allocateLayer(), nnp::NeuralNetwork::propagateLayer(), and nnp::NeuralNetwork::setInput().

sum2

double nnp::NeuralNetwork::Neuron::sum2

Sum of squared neuron values over data set (neuron statistics).

Definition at line 385 of file NeuralNetwork.h.

Referenced by nnp::NeuralNetwork::allocateLayer(), nnp::NeuralNetwork::propagateLayer(), and nnp::NeuralNetwork::setInput().

weights

double* nnp::NeuralNetwork::Neuron::weights

NN weights assigned to neuron.

If this is neuron $i$ in layer $n$, $y_i^n$, these weights are $\left\{ a_{ji}^{n-1, n} \right\}_{j=1,\ldots,N_n}$.

Definition at line 390 of file NeuralNetwork.h.

Referenced by nnp::NeuralNetwork::allocateLayer(), and nnp::NeuralNetwork::propagateLayer().

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The documentation for this struct was generated from the following file:

• /home/runner/work/n2p2/n2p2/src/libnnp/NeuralNetwork.h