Symbol¶
Composition¶
Composite multiple symbols into a new one by an operator.
Symbol.__call__(*args, **kwargs) |
Composes symbol using inputs. |
Arithmetic operations¶
Symbol.__add__(other) |
x.__add__(y) <=> x+y |
Symbol.__sub__(other) |
x.__sub__(y) <=> x-y |
Symbol.__rsub__(other) |
x.__rsub__(y) <=> y-x |
Symbol.__neg__() |
x.__neg__() <=> -x |
Symbol.__mul__(other) |
x.__mul__(y) <=> x*y |
Symbol.__div__(other) |
x.__div__(y) <=> x/y |
Symbol.__rdiv__(other) |
x.__rdiv__(y) <=> y/x |
Symbol.__mod__(other) |
x.__mod__(y) <=> x%y |
Symbol.__rmod__(other) |
x.__rmod__(y) <=> y%x |
Symbol.__pow__(other) |
x.__pow__(y) <=> x**y |
Trigonometric functions¶
Symbol.sin(*args, **kwargs) |
Convenience fluent method for sin(). |
Symbol.cos(*args, **kwargs) |
Convenience fluent method for cos(). |
Symbol.tan(*args, **kwargs) |
Convenience fluent method for tan(). |
Symbol.arcsin(*args, **kwargs) |
Convenience fluent method for arcsin(). |
Symbol.arccos(*args, **kwargs) |
Convenience fluent method for arccos(). |
Symbol.arctan(*args, **kwargs) |
Convenience fluent method for arctan(). |
Symbol.degrees(*args, **kwargs) |
Convenience fluent method for degrees(). |
Symbol.radians(*args, **kwargs) |
Convenience fluent method for radians(). |
Hyperbolic functions¶
Symbol.sinh(*args, **kwargs) |
Convenience fluent method for sinh(). |
Symbol.cosh(*args, **kwargs) |
Convenience fluent method for cosh(). |
Symbol.tanh(*args, **kwargs) |
Convenience fluent method for tanh(). |
Symbol.arcsinh(*args, **kwargs) |
Convenience fluent method for arcsinh(). |
Symbol.arccosh(*args, **kwargs) |
Convenience fluent method for arccosh(). |
Symbol.arctanh(*args, **kwargs) |
Convenience fluent method for arctanh(). |
Exponents and logarithms¶
Symbol.exp(*args, **kwargs) |
Convenience fluent method for exp(). |
Symbol.expm1(*args, **kwargs) |
Convenience fluent method for expm1(). |
Symbol.log(*args, **kwargs) |
Convenience fluent method for log(). |
Symbol.log10(*args, **kwargs) |
Convenience fluent method for log10(). |
Symbol.log2(*args, **kwargs) |
Convenience fluent method for log2(). |
Symbol.log1p(*args, **kwargs) |
Convenience fluent method for log1p(). |
Powers¶
Symbol.sqrt(*args, **kwargs) |
Convenience fluent method for sqrt(). |
Symbol.rsqrt(*args, **kwargs) |
Convenience fluent method for rsqrt(). |
Symbol.cbrt(*args, **kwargs) |
Convenience fluent method for cbrt(). |
Symbol.rcbrt(*args, **kwargs) |
Convenience fluent method for rcbrt(). |
Symbol.square(*args, **kwargs) |
Convenience fluent method for square(). |
Basic neural network functions¶
Symbol.relu(*args, **kwargs) |
Convenience fluent method for relu(). |
Symbol.sigmoid(*args, **kwargs) |
Convenience fluent method for sigmoid(). |
Symbol.softmax(*args, **kwargs) |
Convenience fluent method for softmax(). |
Symbol.log_softmax(*args, **kwargs) |
Convenience fluent method for log_softmax(). |
Comparison operators¶
Symbol.__lt__(other) |
x.__lt__(y) <=> x<y |
Symbol.__le__(other) |
x.__le__(y) <=> x<=y |
Symbol.__gt__(other) |
x.__gt__(y) <=> x>y |
Symbol.__ge__(other) |
x.__ge__(y) <=> x>=y |
Symbol.__eq__(other) |
x.__eq__(y) <=> x==y |
Symbol.__ne__(other) |
x.__ne__(y) <=> x!=y |
Symbol creation¶
Symbol.zeros_like(*args, **kwargs) |
Convenience fluent method for zeros_like(). |
Symbol.ones_like(*args, **kwargs) |
Convenience fluent method for ones_like(). |
Symbol.diag([k]) |
Convenience fluent method for diag(). |
Changing shape and type¶
Symbol.astype(*args, **kwargs) |
Convenience fluent method for cast(). |
Symbol.shape_array(*args, **kwargs) |
Convenience fluent method for shape_array(). |
Symbol.size_array(*args, **kwargs) |
Convenience fluent method for size_array(). |
Symbol.reshape(*args, **kwargs) |
Convenience fluent method for reshape(). |
Symbol.reshape_like(*args, **kwargs) |
Convenience fluent method for reshape_like(). |
Symbol.flatten(*args, **kwargs) |
Convenience fluent method for flatten(). |
Symbol.expand_dims(*args, **kwargs) |
Convenience fluent method for expand_dims(). |
Expanding elements¶
Symbol.broadcast_to(*args, **kwargs) |
Convenience fluent method for broadcast_to(). |
Symbol.broadcast_axes(*args, **kwargs) |
Convenience fluent method for broadcast_axes(). |
Symbol.broadcast_like(*args, **kwargs) |
Convenience fluent method for broadcast_like(). |
Symbol.tile(*args, **kwargs) |
Convenience fluent method for tile(). |
Symbol.pad(*args, **kwargs) |
Convenience fluent method for pad(). |
Rearranging elements¶
Symbol.transpose(*args, **kwargs) |
Convenience fluent method for transpose(). |
Symbol.swapaxes(*args, **kwargs) |
Convenience fluent method for swapaxes(). |
Symbol.flip(*args, **kwargs) |
Convenience fluent method for flip(). |
Symbol.depth_to_space(*args, **kwargs) |
Convenience fluent method for depth_to_space(). |
Symbol.space_to_depth(*args, **kwargs) |
Convenience fluent method for space_to_depth(). |
Reduce functions¶
Symbol.sum(*args, **kwargs) |
Convenience fluent method for sum(). |
Symbol.nansum(*args, **kwargs) |
Convenience fluent method for nansum(). |
Symbol.prod(*args, **kwargs) |
Convenience fluent method for prod(). |
Symbol.nanprod(*args, **kwargs) |
Convenience fluent method for nanprod(). |
Symbol.mean(*args, **kwargs) |
Convenience fluent method for mean(). |
Symbol.max(*args, **kwargs) |
Convenience fluent method for max(). |
Symbol.min(*args, **kwargs) |
Convenience fluent method for min(). |
Symbol.norm(*args, **kwargs) |
Convenience fluent method for norm(). |
Rounding¶
Symbol.round(*args, **kwargs) |
Convenience fluent method for round(). |
Symbol.rint(*args, **kwargs) |
Convenience fluent method for rint(). |
Symbol.fix(*args, **kwargs) |
Convenience fluent method for fix(). |
Symbol.floor(*args, **kwargs) |
Convenience fluent method for floor(). |
Symbol.ceil(*args, **kwargs) |
Convenience fluent method for ceil(). |
Symbol.trunc(*args, **kwargs) |
Convenience fluent method for trunc(). |
Sorting and searching¶
Symbol.sort(*args, **kwargs) |
Convenience fluent method for sort(). |
Symbol.argsort(*args, **kwargs) |
Convenience fluent method for argsort(). |
Symbol.topk(*args, **kwargs) |
Convenience fluent method for topk(). |
Symbol.argmax(*args, **kwargs) |
Convenience fluent method for argmax(). |
Symbol.argmin(*args, **kwargs) |
Convenience fluent method for argmin(). |
Symbol.argmax_channel(*args, **kwargs) |
Convenience fluent method for argmax_channel(). |
Query information¶
Symbol.name |
Gets name string from the symbol, this function only works for non-grouped symbol. |
Symbol.list_arguments() |
Lists all the arguments in the symbol. |
Symbol.list_outputs() |
Lists all the outputs in the symbol. |
Symbol.list_auxiliary_states() |
Lists all the auxiliary states in the symbol. |
Symbol.list_attr([recursive]) |
Gets all attributes from the symbol. |
Symbol.attr(key) |
Returns the attribute string for corresponding input key from the symbol. |
Symbol.attr_dict() |
Recursively gets all attributes from the symbol and its children. |
Indexing¶
Symbol.slice(*args, **kwargs) |
Convenience fluent method for slice(). |
Symbol.slice_axis(*args, **kwargs) |
Convenience fluent method for slice_axis(). |
Symbol.slice_like(*args, **kwargs) |
Convenience fluent method for slice_like(). |
Symbol.take(*args, **kwargs) |
Convenience fluent method for take(). |
Symbol.one_hot(*args, **kwargs) |
Convenience fluent method for one_hot(). |
Symbol.pick(*args, **kwargs) |
Convenience fluent method for pick(). |
Get internal and output symbol¶
Symbol.__getitem__(index) |
x.__getitem__(i) <=> x[i] |
Symbol.__iter__() |
Returns a generator object of symbol. |
Symbol.get_internals() |
Gets a new grouped symbol sgroup. |
Symbol.get_children() |
Gets a new grouped symbol whose output contains inputs to output nodes of the original symbol. |
Inference type and shape¶
Symbol.infer_type(*args, **kwargs) |
Infers the type of all arguments and all outputs, given the known types for some arguments. |
Symbol.infer_shape(*args, **kwargs) |
Infers the shapes of all arguments and all outputs given the known shapes of some arguments. |
Symbol.infer_shape_partial(*args, **kwargs) |
Infers the shape partially. |
Bind¶
Symbol.bind(ctx, args[, args_grad, …]) |
Binds the current symbol to an executor and returns it. |
Symbol.simple_bind(ctx[, grad_req, …]) |
Bind current symbol to get an executor, allocate all the arguments needed. |
Save¶
Symbol.save(fname) |
Saves symbol to a file. |
Symbol.tojson() |
Saves symbol to a JSON string. |
Symbol.debug_str() |
Gets a debug string of symbol. |
Miscellaneous¶
Symbol.clip(*args, **kwargs) |
Convenience fluent method for clip(). |
Symbol.sign(*args, **kwargs) |
Convenience fluent method for sign(). |