LSTMBlockCellGrad

public final class LSTMBlockCellGrad

Computes the LSTM cell backward propagation for 1 timestep.

This implementation is to be used in conjunction of LSTMBlockCell.

Constants

String OP_NAME The name of this op, as known by TensorFlow core engine

Public Methods

static <T extends TNumber > LSTMBlockCellGrad <T>
create ( Scope scope, Operand <T> x, Operand <T> csPrev, Operand <T> hPrev, Operand <T> w, Operand <T> wci, Operand <T> wcf, Operand <T> wco, Operand <T> b, Operand <T> i, Operand <T> cs, Operand <T> f, Operand <T> o, Operand <T> ci, Operand <T> co, Operand <T> csGrad, Operand <T> hGrad, Boolean usePeephole)
Factory method to create a class wrapping a new LSTMBlockCellGrad operation.
Output <T>
csPrevGrad ()
The gradient of cs to be back-propped.
Output <T>
dicfo ()
The derivative wrt to [i, cs, f, o].
Output <T>
wcfGrad ()
The gradient for wcf to be back-propped.
Output <T>
wciGrad ()
The gradient for wci to be back-propped.
Output <T>
wcoGrad ()
The gradient for wco to be back-propped.

Inherited Methods

Constants

public static final String OP_NAME

The name of this op, as known by TensorFlow core engine

Constant Value: "LSTMBlockCellGrad"

Public Methods

public static LSTMBlockCellGrad <T> create ( Scope scope, Operand <T> x, Operand <T> csPrev, Operand <T> hPrev, Operand <T> w, Operand <T> wci, Operand <T> wcf, Operand <T> wco, Operand <T> b, Operand <T> i, Operand <T> cs, Operand <T> f, Operand <T> o, Operand <T> ci, Operand <T> co, Operand <T> csGrad, Operand <T> hGrad, Boolean usePeephole)

Factory method to create a class wrapping a new LSTMBlockCellGrad operation.

Parameters
scope current scope
x The input to the LSTM cell, shape (batch_size, num_inputs).
csPrev The previous cell state.
hPrev The previous h state.
w The weight matrix.
wci The weight matrix for input gate peephole connection.
wcf The weight matrix for forget gate peephole connection.
wco The weight matrix for output gate peephole connection.
b The bias vector.
i The input gate.
cs The cell state before the tanh.
f The forget gate.
o The output gate.
ci The cell input.
co The cell after the tanh.
csGrad The current gradient of cs.
hGrad The gradient of h vector.
usePeephole Whether the cell uses peephole connections.
Returns
  • a new instance of LSTMBlockCellGrad

public Output <T> csPrevGrad ()

The gradient of cs to be back-propped.

public Output <T> dicfo ()

The derivative wrt to [i, cs, f, o].

public Output <T> wcfGrad ()

The gradient for wcf to be back-propped.

public Output <T> wciGrad ()

The gradient for wci to be back-propped.

public Output <T> wcoGrad ()

The gradient for wco to be back-propped.