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SigmoidGrad
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Calcula el gradiente del sigmoide de `x` con su entrada.
Específicamente, `grad = dy * y * (1 - y)`, donde `y = sigmoide (x)`, y `dy` es el gradiente de entrada correspondiente.
Constantes
Cuerda | OP_NAME | El nombre de esta operación, como lo conoce el motor central de TensorFlow |
Métodos heredados
De la clase java.lang.Object booleano | equals (Object arg0) |
Clase final <?> | getClass () |
En t | hashCode () |
vacío final | notificar () |
vacío final | notifyAll () |
Cuerda | toString () |
vacío final | espera (tiempo arg0, arg1 int) |
vacío final | espera (arg0 largo) |
vacío final | wait () |
Desde la interfaz org.tensorflow.Operand abstracta de salida <T> | asOutput () Devuelve el identificador simbólico del tensor. |
T abstracto | asTensor () Devuelve el tensor en este operando. |
abstracta Forma | forma () Devuelve el (posiblemente parcialmente conocida) forma del tensor se hace referencia por la Output de esta operando. |
clase abstracta <T> | escriba () Devuelve el tipo de tensor de este operando |
Constantes
OP_NAME pública final static String
El nombre de esta operación, como lo conoce el motor central de TensorFlow
Valor constante: "SigmoidGrad"
Métodos públicos
pública de salida <T> asOutput ()
Devuelve el identificador simbólico del tensor.
Las entradas a las operaciones de TensorFlow son salidas de otra operación de TensorFlow. Este método se utiliza para obtener un identificador simbólico que representa el cálculo de la entrada.
Método de fábrica para crear una clase que envuelva una nueva operación SigmoidGrad.
Devoluciones
- una nueva instancia de SigmoidGrad
Salvo que se indique lo contrario, el contenido de esta página está sujeto a la licencia Atribución 4.0 de Creative Commons, y los ejemplos de código están sujetos a la licencia Apache 2.0. Para obtener más información, consulta las políticas del sitio de Google Developers. Java es una marca registrada de Oracle o sus afiliados.
Última actualización: 2021-11-29 (UTC)
[null,null,["Última actualización: 2021-11-29 (UTC)"],[],[],null,["# SigmoidGrad\n\npublic final class **SigmoidGrad** \nComputes the gradient of the sigmoid of \\`x\\` wrt its input.\n\n\nSpecifically, \\`grad = dy \\* y \\* (1 - y)\\`, where \\`y = sigmoid(x)\\`, and\n\\`dy\\` is the corresponding input gradient.\n\n\u003cbr /\u003e\n\n### Constants\n\n|--------|--------------------------------------------------------------------------|---------------------------------------------------------|\n| String | [OP_NAME](/jvm/api_docs/java/org/tensorflow/op/math/SigmoidGrad#OP_NAME) | The name of this op, as known by TensorFlow core engine |\n\n### Public Methods\n\n|--------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003cT\\\u003e | [asOutput](/jvm/api_docs/java/org/tensorflow/op/math/SigmoidGrad#asOutput())() Returns the symbolic handle of the tensor. |\n| static \\\u003cT extends [TType](/jvm/api_docs/java/org/tensorflow/types/family/TType)\\\u003e [SigmoidGrad](/jvm/api_docs/java/org/tensorflow/op/math/SigmoidGrad)\\\u003cT\\\u003e | [create](/jvm/api_docs/java/org/tensorflow/op/math/SigmoidGrad#create(org.tensorflow.op.Scope, org.tensorflow.Operand\u003cT\u003e, org.tensorflow.Operand\u003cT\u003e))([Scope](/jvm/api_docs/java/org/tensorflow/op/Scope) scope, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003cT\\\u003e y, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003cT\\\u003e dy) Factory method to create a class wrapping a new SigmoidGrad operation. |\n| [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003cT\\\u003e | [z](/jvm/api_docs/java/org/tensorflow/op/math/SigmoidGrad#z())() |\n\n### Inherited Methods\n\nFrom class [org.tensorflow.op.RawOp](/jvm/api_docs/java/org/tensorflow/op/RawOp) \n\n|----------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| final boolean | [equals](/jvm/api_docs/java/org/tensorflow/op/RawOp#equals(java.lang.Object))(Object obj) |\n| final int | [hashCode](/jvm/api_docs/java/org/tensorflow/op/RawOp#hashCode())() |\n| [Operation](/jvm/api_docs/java/org/tensorflow/Operation) | [op](/jvm/api_docs/java/org/tensorflow/op/RawOp#op())() Return this unit of computation as a single [Operation](/jvm/api_docs/java/org/tensorflow/Operation). |\n| final String | [toString](/jvm/api_docs/java/org/tensorflow/op/RawOp#toString())() |\n\nFrom class java.lang.Object \n\n|------------------|---------------------------|\n| boolean | equals(Object arg0) |\n| final Class\\\u003c?\\\u003e | getClass() |\n| int | hashCode() |\n| final void | notify() |\n| final void | notifyAll() |\n| String | toString() |\n| final void | wait(long arg0, int arg1) |\n| final void | wait(long arg0) |\n| final void | wait() |\n\nFrom interface [org.tensorflow.op.Op](/jvm/api_docs/java/org/tensorflow/op/Op) \n\n|-----------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract [ExecutionEnvironment](/jvm/api_docs/java/org/tensorflow/ExecutionEnvironment) | [env](/jvm/api_docs/java/org/tensorflow/op/Op#env())() Return the execution environment this op was created in. |\n| abstract [Operation](/jvm/api_docs/java/org/tensorflow/Operation) | [op](/jvm/api_docs/java/org/tensorflow/op/Op#op())() Return this unit of computation as a single [Operation](/jvm/api_docs/java/org/tensorflow/Operation). |\n\nFrom interface [org.tensorflow.Operand](/jvm/api_docs/java/org/tensorflow/Operand) \n\n|-------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003cT\\\u003e | [asOutput](/jvm/api_docs/java/org/tensorflow/Operand#asOutput())() Returns the symbolic handle of the tensor. |\n| abstract T | [asTensor](/jvm/api_docs/java/org/tensorflow/Operand#asTensor())() Returns the tensor at this operand. |\n| abstract [Shape](/jvm/api_docs/java/org/tensorflow/ndarray/Shape) | [shape](/jvm/api_docs/java/org/tensorflow/Operand#shape())() Returns the (possibly partially known) shape of the tensor referred to by the [Output](/jvm/api_docs/java/org/tensorflow/Output) of this operand. |\n| abstract Class\\\u003cT\\\u003e | [type](/jvm/api_docs/java/org/tensorflow/Operand#type())() Returns the tensor type of this operand |\n\nFrom interface [org.tensorflow.ndarray.Shaped](/jvm/api_docs/java/org/tensorflow/ndarray/Shaped) \n\n|-------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract int | [rank](/jvm/api_docs/java/org/tensorflow/ndarray/Shaped#rank())() |\n| abstract [Shape](/jvm/api_docs/java/org/tensorflow/ndarray/Shape) | [shape](/jvm/api_docs/java/org/tensorflow/ndarray/Shaped#shape())() |\n| abstract long | [size](/jvm/api_docs/java/org/tensorflow/ndarray/Shaped#size())() Computes and returns the total size of this container, in number of values. |\n\nConstants\n---------\n\n#### public static final String\n**OP_NAME**\n\nThe name of this op, as known by TensorFlow core engine \nConstant Value: \"SigmoidGrad\"\n\nPublic Methods\n--------------\n\n#### public [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003cT\\\u003e\n**asOutput**\n()\n\nReturns the symbolic handle of the tensor.\n\nInputs to TensorFlow operations are outputs of another TensorFlow operation. This method is\nused to obtain a symbolic handle that represents the computation of the input.\n\n\u003cbr /\u003e\n\n#### public static [SigmoidGrad](/jvm/api_docs/java/org/tensorflow/op/math/SigmoidGrad)\\\u003cT\\\u003e\n**create**\n([Scope](/jvm/api_docs/java/org/tensorflow/op/Scope) scope, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003cT\\\u003e y, [Operand](/jvm/api_docs/java/org/tensorflow/Operand)\\\u003cT\\\u003e dy)\n\nFactory method to create a class wrapping a new SigmoidGrad operation. \n\n##### Parameters\n\n| scope | current scope |\n|-------|---------------|\n\n##### Returns\n\n- a new instance of SigmoidGrad \n\n#### public [Output](/jvm/api_docs/java/org/tensorflow/Output)\\\u003cT\\\u003e\n**z**\n()\n\n\u003cbr /\u003e"]]