Module: tf

TensorFlow 2.0 RC

大牛时代配资Caution: This is a developer preview. You will likely find some bugs, performance issues, and more, and we encourage you to tell us about them. We value your feedback!

These docs were generated from the beta build of TensorFlow 2.0.

You can install the exact version that was used to generate these docs with:

pip install tensorflow==2.0.0-rc0

Modules

audio module: Public API for tf.audio namespace.

autograph大牛时代配资 module: Conversion of plain Python into TensorFlow graph code.

bitwise大牛时代配资 module: Operations for manipulating the binary representations of integers.

compat module: Functions for Python 2 vs. 3 compatibility.

config大牛时代配资 module: Public API for tf.config namespace.

data module: tf.data.Dataset大牛时代配资 API for input pipelines.

debugging module: Public API for tf.debugging namespace.

distribute module: Library for running a computation across multiple devices.

dtypes module: Public API for tf.dtypes namespace.

errors module: Exception types for TensorFlow errors.

estimator module: Estimator: High level tools for working with models.

experimental module: Public API for tf.experimental namespace.

feature_column module: Public API for tf.feature_column namespace.

graph_util module: Helpers to manipulate a tensor graph in python.

image大牛时代配资 module: Image processing and decoding ops.

initializers大牛时代配资 module: Keras initializer serialization / deserialization.

io module: Public API for tf.io namespace.

keras module: Implementation of the Keras API meant to be a high-level API for TensorFlow.

linalg module: Operations for linear algebra.

lite大牛时代配资 module: Public API for tf.lite namespace.

lookup module: Public API for tf.lookup namespace.

losses module: Built-in loss functions.

math module: Math Operations.

metrics大牛时代配资 module: Built-in metrics.

nest大牛时代配资 module: Public API for tf.nest namespace.

nn module: Wrappers for primitive Neural Net (NN) Operations.

optimizers module: Built-in optimizer classes.

quantization module: Public API for tf.quantization namespace.

queue module: Public API for tf.queue namespace.

ragged module: Ragged Tensors.

random大牛时代配资 module: Public API for tf.random namespace.

raw_ops module: Public API for tf.raw_ops namespace.

saved_model module: Public API for tf.saved_model namespace.

sets module: Tensorflow set operations.

signal大牛时代配资 module: Signal processing operations.

sparse module: Sparse Tensor Representation.

strings module: Operations for working with string Tensors.

summary module: Operations for writing summary data, for use in analysis and visualization.

sysconfig大牛时代配资 module: System configuration library.

test module: Testing.

tpu module: Ops related to Tensor Processing Units.

train大牛时代配资 module: Support for training models.

version大牛时代配资 module: Public API for tf.version namespace.

xla module: Public API for tf.xla namespace.

Classes

class AggregationMethod: A class listing aggregation methods used to combine gradients.

class CriticalSection: Critical section.

class DType: Represents the type of the elements in a Tensor.

class DeviceSpec大牛时代配资: Represents a (possibly partial) specification for a TensorFlow device.

class GradientTape大牛时代配资: Record operations for automatic differentiation.

class Graph大牛时代配资: A TensorFlow computation, represented as a dataflow graph.

class IndexedSlices: A sparse representation of a set of tensor slices at given indices.

class IndexedSlicesSpec: Type specification for a tf.IndexedSlices.

class Module大牛时代配资: Base neural network module class.

class Operation大牛时代配资: Represents a graph node that performs computation on tensors.

class OptionalSpec: Represents an optional potentially containing a structured value.

class RaggedTensor: Represents a ragged tensor.

class RaggedTensorSpec: Type specification for a tf.RaggedTensor.

class RegisterGradient大牛时代配资: A decorator for registering the gradient function for an op type.

class SparseTensor: Represents a sparse tensor.

class SparseTensorSpec: Type specification for a tf.SparseTensor.

class Tensor: Represents one of the outputs of an Operation.

class TensorArray: Class wrapping dynamic-sized, per-time-step, write-once Tensor arrays.

class TensorArraySpec: Type specification for a tf.TensorArray.

class TensorShape: Represents the shape of a Tensor.

class TensorSpec大牛时代配资: Describes a tf.Tensor.

class TypeSpec: Specifies a TensorFlow value type.

class UnconnectedGradients: Controls how gradient computation behaves when y does not depend on x.

class Variable大牛时代配资: See the .

class VariableAggregation大牛时代配资: Indicates how a distributed variable will be aggregated.

class VariableSynchronization: Indicates when a distributed variable will be synced.

class constant_initializer大牛时代配资: Initializer that generates tensors with constant values.

class name_scope: A context manager for use when defining a Python op.

class ones_initializer大牛时代配资: Initializer that generates tensors initialized to 1.

class random_normal_initializer: Initializer that generates tensors with a normal distribution.

class random_uniform_initializer: Initializer that generates tensors with a uniform distribution.

class zeros_initializer: Initializer that generates tensors initialized to 0.

Functions

Assert(...): Asserts that the given condition is true.

abs(...): Computes the absolute value of a tensor.

acos(...): Computes acos of x element-wise.

acosh(...): Computes inverse hyperbolic cosine of x element-wise.

add(...): Returns x + y element-wise.

add_n(...): Adds all input tensors element-wise.

argmax(...)大牛时代配资: Returns the index with the largest value across axes of a tensor.

argmin(...): Returns the index with the smallest value across axes of a tensor.

argsort(...): Returns the indices of a tensor that give its sorted order along an axis.

as_dtype(...): Converts the given type_value to a DType.

as_string(...)大牛时代配资: Converts each entry in the given tensor to strings.

asin(...): Computes the trignometric inverse sine of x element-wise.

asinh(...): Computes inverse hyperbolic sine of x element-wise.

assert_equal(...): Assert the condition x == y holds element-wise.

assert_greater(...): Assert the condition x > y holds element-wise.

assert_less(...): Assert the condition x < y大牛时代配资 holds element-wise.

assert_rank(...): Assert that x has rank equal to rank.

atan(...)大牛时代配资: Computes the trignometric inverse tangent of x element-wise.

atan2(...): Computes arctangent of y/x大牛时代配资 element-wise, respecting signs of the arguments.

atanh(...)大牛时代配资: Computes inverse hyperbolic tangent of x element-wise.

batch_to_space(...)大牛时代配资: BatchToSpace for N-D tensors of type T.

bitcast(...)大牛时代配资: Bitcasts a tensor from one type to another without copying data.

boolean_mask(...)大牛时代配资: Apply boolean mask to tensor.

broadcast_dynamic_shape(...): Computes the shape of a broadcast given symbolic shapes.

broadcast_static_shape(...): Computes the shape of a broadcast given known shapes.

broadcast_to(...): Broadcast an array for a compatible shape.

case(...)大牛时代配资: Create a case operation.

cast(...): Casts a tensor to a new type.

clip_by_global_norm(...): Clips values of multiple tensors by the ratio of the sum of their norms.

clip_by_norm(...)大牛时代配资: Clips tensor values to a maximum L2-norm.

clip_by_value(...)大牛时代配资: Clips tensor values to a specified min and max.

complex(...): Converts two real numbers to a complex number.

concat(...): Concatenates tensors along one dimension.

cond(...): Return true_fn() if the predicate pred is true else false_fn().

constant(...): Creates a constant tensor.

control_dependencies(...): Wrapper for Graph.control_dependencies()大牛时代配资 using the default graph.

convert_to_tensor(...): Converts the given value to a Tensor.

cos(...): Computes cos of x element-wise.

cosh(...): Computes hyperbolic cosine of x element-wise.

cumsum(...): Compute the cumulative sum of the tensor x along axis.

custom_gradient(...): Decorator to define a function with a custom gradient.

device(...): Specifies the device for ops created/executed in this context.

divide(...): Computes Python style division of x by y.

dynamic_partition(...): Partitions data into num_partitions tensors using indices from partitions.

dynamic_stitch(...): Interleave the values from the data大牛时代配资 tensors into a single tensor.

edit_distance(...): Computes the Levenshtein distance between sequences.

einsum(...): A generalized contraction between tensors of arbitrary dimension.

ensure_shape(...): Updates the shape of a tensor and checks at runtime that the shape holds.

equal(...): Returns the truth value of (x == y) element-wise.

executing_eagerly(...)大牛时代配资: Returns True if the current thread has eager execution enabled.

exp(...)大牛时代配资: Computes exponential of x element-wise. \(y = e^x\).

expand_dims(...)大牛时代配资: Inserts a dimension of 1 into a tensor's shape.

extract_volume_patches(...): Extract patches from input and put them in the "depth" output dimension. 3D extension of extract_image_patches.

eye(...): Construct an identity matrix, or a batch of matrices.

fill(...)大牛时代配资: Creates a tensor filled with a scalar value.

fingerprint(...)大牛时代配资: Generates fingerprint values.

floor(...): Returns element-wise largest integer not greater than x.

foldl(...): foldl on the list of tensors unpacked from elems on dimension 0.

foldr(...): foldr on the list of tensors unpacked from elems大牛时代配资 on dimension 0.

function(...)大牛时代配资: Creates a callable TensorFlow graph from a Python function.

gather(...): Gather slices from params axis axis according to indices.

gather_nd(...): Gather slices from params into a Tensor with shape specified by indices.

get_logger(...): Return TF logger instance.

get_static_value(...)大牛时代配资: Returns the constant value of the given tensor, if efficiently calculable.

grad_pass_through(...): Creates a grad-pass-through op with the forward behavior provided in f.

gradients(...): Constructs symbolic derivatives of sum of ys w.r.t. x in xs.

greater(...)大牛时代配资: Returns the truth value of (x > y) element-wise.

greater_equal(...): Returns the truth value of (x >= y) element-wise.

group(...): Create an op that groups multiple operations.

guarantee_const(...)大牛时代配资: Gives a guarantee to the TF runtime that the input tensor is a constant.

hessians(...): Constructs the Hessian of sum of ys with respect to x in xs.

histogram_fixed_width(...): Return histogram of values.

histogram_fixed_width_bins(...): Bins the given values for use in a histogram.

identity(...)大牛时代配资: Return a tensor with the same shape and contents as input.

identity_n(...)大牛时代配资: Returns a list of tensors with the same shapes and contents as the input

import_graph_def(...): Imports the graph from graph_def into the current default Graph. (deprecated arguments)

init_scope(...)大牛时代配资: A context manager that lifts ops out of control-flow scopes and function-building graphs.

is_tensor(...): Checks whether x大牛时代配资 is a tensor or "tensor-like".

less(...)大牛时代配资: Returns the truth value of (x < y) element-wise.

less_equal(...)大牛时代配资: Returns the truth value of (x <= y) element-wise.

linspace(...)大牛时代配资: Generates values in an interval.

load_library(...): Loads a TensorFlow plugin.

load_op_library(...): Loads a TensorFlow plugin, containing custom ops and kernels.

logical_and(...)大牛时代配资: Returns the truth value of x AND y element-wise.

logical_not(...)大牛时代配资: Returns the truth value of NOT x element-wise.

logical_or(...)大牛时代配资: Returns the truth value of x OR y element-wise.

make_ndarray(...): Create a numpy ndarray from a tensor.

make_tensor_proto(...): Create a TensorProto.

map_fn(...): map on the list of tensors unpacked from elems on dimension 0.

matmul(...): Multiplies matrix a by matrix b, producing a * b.

matrix_square_root(...): Computes the matrix square root of one or more square matrices:

maximum(...): Returns the max of x and y (i.e. x > y ? x : y) element-wise.

meshgrid(...)大牛时代配资: Broadcasts parameters for evaluation on an N-D grid.

minimum(...)大牛时代配资: Returns the min of x and y (i.e. x < y ? x : y) element-wise.

multiply(...): Returns x * y element-wise.

negative(...): Computes numerical negative value element-wise.

no_gradient(...): Specifies that ops of type op_type大牛时代配资 is not differentiable.

no_op(...)大牛时代配资: Does nothing. Only useful as a placeholder for control edges.

nondifferentiable_batch_function(...): Batches the computation done by the decorated function.

norm(...): Computes the norm of vectors, matrices, and tensors.

not_equal(...)大牛时代配资: Returns the truth value of (x != y) element-wise.

numpy_function(...): Wraps a python function and uses it as a TensorFlow op.

one_hot(...): Returns a one-hot tensor.

ones(...): Creates a tensor with all elements set to 1.

ones_like(...): Creates a tensor with all elements set to zero.

pad(...): Pads a tensor.

parallel_stack(...): Stacks a list of rank-R tensors into one rank-(R+1) tensor in parallel.

pow(...): Computes the power of one value to another.

print(...)大牛时代配资: Print the specified inputs.

py_function(...): Wraps a python function into a TensorFlow op that executes it eagerly.

range(...)大牛时代配资: Creates a sequence of numbers.

rank(...): Returns the rank of a tensor.

realdiv(...)大牛时代配资: Returns x / y element-wise for real types.

recompute_grad(...)大牛时代配资: An eager-compatible version of recompute_grad.

reduce_all(...)大牛时代配资: Computes the "logical and" of elements across dimensions of a tensor.

reduce_any(...)大牛时代配资: Computes the "logical or" of elements across dimensions of a tensor.

reduce_logsumexp(...): Computes log(sum(exp(elements across dimensions of a tensor))).

reduce_max(...): Computes the maximum of elements across dimensions of a tensor.

reduce_mean(...): Computes the mean of elements across dimensions of a tensor.

reduce_min(...): Computes the minimum of elements across dimensions of a tensor.

reduce_prod(...)大牛时代配资: Computes the product of elements across dimensions of a tensor.

reduce_sum(...): Computes the sum of elements across dimensions of a tensor.

register_tensor_conversion_function(...): Registers a function for converting objects of base_type to Tensor.

required_space_to_batch_paddings(...)大牛时代配资: Calculate padding required to make block_shape divide input_shape.

reshape(...): Reshapes a tensor.

reverse(...)大牛时代配资: Reverses specific dimensions of a tensor.

reverse_sequence(...): Reverses variable length slices.

roll(...): Rolls the elements of a tensor along an axis.

round(...): Rounds the values of a tensor to the nearest integer, element-wise.

saturate_cast(...): Performs a safe saturating cast of value to dtype.

scalar_mul(...): Multiplies a scalar times a Tensor or IndexedSlices object.

scan(...): scan on the list of tensors unpacked from elems大牛时代配资 on dimension 0.

scatter_nd(...): Scatter updates into a new tensor according to indices.

searchsorted(...): Searches input tensor for values on the innermost dimension.

sequence_mask(...)大牛时代配资: Returns a mask tensor representing the first N positions of each cell.

shape(...)大牛时代配资: Returns the shape of a tensor.

shape_n(...): Returns shape of tensors.

sigmoid(...): Computes sigmoid of x element-wise.

sign(...): Returns an element-wise indication of the sign of a number.

sin(...)大牛时代配资: Computes sine of x element-wise.

sinh(...): Computes hyperbolic sine of x element-wise.

size(...)

slice(...)大牛时代配资: Extracts a slice from a tensor.

sort(...)大牛时代配资: Sorts a tensor.

space_to_batch(...): SpaceToBatch for N-D tensors of type T.

space_to_batch_nd(...)大牛时代配资: SpaceToBatch for N-D tensors of type T.

split(...)大牛时代配资: Splits a tensor into sub tensors.

sqrt(...)大牛时代配资: Computes square root of x element-wise.

square(...): Computes square of x element-wise.

squeeze(...)大牛时代配资: Removes dimensions of size 1 from the shape of a tensor.

stack(...): Stacks a list of rank-R tensors into one rank-(R+1) tensor.

stop_gradient(...): Stops gradient computation.

strided_slice(...)大牛时代配资: Extracts a strided slice of a tensor (generalized python array indexing).

subtract(...)大牛时代配资: Returns x - y element-wise.

switch_case(...): Create a switch/case operation, i.e. an integer-indexed conditional.

tan(...): Computes tan of x element-wise.

tanh(...): Computes hyperbolic tangent of x element-wise.

tensor_scatter_nd_add(...): Adds sparse updates to an existing tensor according to indices.

tensor_scatter_nd_sub(...): Subtracts sparse updates from an existing tensor according to indices.

tensor_scatter_nd_update(...): Scatter updates into an existing tensor according to indices.

tensordot(...): Tensor contraction of a and b along specified axes.

tile(...): Constructs a tensor by tiling a given tensor.

timestamp(...): Provides the time since epoch in seconds.

transpose(...): Transposes a.

truediv(...)大牛时代配资: Divides x / y elementwise (using Python 3 division operator semantics).

truncatediv(...): Returns x / y element-wise for integer types.

truncatemod(...): Returns element-wise remainder of division. This emulates C semantics in that

tuple(...)大牛时代配资: Group tensors together.

unique(...)大牛时代配资: Finds unique elements in a 1-D tensor.

unique_with_counts(...): Finds unique elements in a 1-D tensor.

unravel_index(...): Converts a flat index or array of flat indices into a tuple of

unstack(...): Unpacks the given dimension of a rank-R tensor into rank-(R-1) tensors.

variable_creator_scope(...)大牛时代配资: Scope which defines a variable creation function to be used by variable().

vectorized_map(...): Parallel map on the list of tensors unpacked from elems on dimension 0.

where(...): Return the elements, either from x or y, depending on the condition.

while_loop(...): Repeat body while the condition cond is true.

zeros(...): Creates a tensor with all elements set to zero.

zeros_like(...): Creates a tensor with all elements set to zero.

Other Members

  • bfloat16
  • bool
  • complex128
  • complex64
  • double
  • float16
  • float32
  • float64
  • half
  • int16
  • int32
  • int64
  • int8
  • newaxis = None
  • qint16
  • qint32
  • qint8
  • quint16
  • quint8
  • resource
  • string
  • uint16
  • uint32
  • uint64
  • uint8
  • variant

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