tensor | A fast tensor library for c | Machine Learning library
kandi X-RAY | tensor Summary
kandi X-RAY | tensor Summary
Tensor is a c++ tensor expression library. It is designed with both speed and clarity of expression in mind. It it thus intended to provide high levels of performance but allow operations on tensors in the code to appear exactly as they do mathematically. Template metaprogramming is used to 'offload' any work which can be computed at compile time, to the compiler and expression templates are used to achieve the translation of the mathematically expressed code to high performance code. Tests have been written using the Boost Test library to verify the 'correctness' of all the implemented components. The tests also help to illustrate the usage of the various components of the library. The long term goal is to develop something along the lines of the tensor library in the python theano libray, but with support for any rank tensors with both CPU and GPU functionality.
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tensor Examples and Code Snippets
def locate_tensor_element(formatted, indices):
"""Locate a tensor element in formatted text lines, given element indices.
Given a RichTextLines object representing a tensor and indices of the sought
element, return the row number at which the
def lu_solve(lower_upper, perm, rhs, validate_args=False, name=None):
"""Solves systems of linear eqns `A X = RHS`, given LU factorizations.
Note: this function does not verify the implied matrix is actually invertible
nor is this condition ch
def _wrap_2d_function(inputs, compute_op, dim=-1, name=None):
"""Helper function for ops that accept and return 2d inputs of same shape.
It reshapes and transposes the inputs into a 2-D Tensor and then invokes
the given function. The output wo
Community Discussions
Trending Discussions on tensor
QUESTION
There is a function given as follows
...ANSWER
Answered 2021-Jun-15 at 21:34Your code doesn’t attempt to not fail if w
isn’t a key in id2word
, so it shouldn’t be too much of a surprise when it does fail. You could try changing
QUESTION
I'm using bert pre-trained model for question and answering. It's returning correct result but with lot of spaces between the text
The code is below :
...ANSWER
Answered 2021-Jun-15 at 17:14You can just use the tokenizer decode function:
QUESTION
I'd like to run a simple neural network model which uses Keras on a Rasperry microcontroller. I get a problem when I use a layer. The code is defined like this:
...ANSWER
Answered 2021-May-25 at 01:08I had the same problem, man. I want to transplant tflite to the development board of CEVA. There is no problem in compiling. In the process of running, there is also an error in AddBuiltin(full_connect). At present, the only possible situation I guess is that some devices can not support tflite.
QUESTION
I'm trying to compute shap values using DeepExplainer, but I get the following error:
keras is no longer supported, please use tf.keras instead
Even though i'm using tf.keras?
...ANSWER
Answered 2021-Jun-14 at 14:52TL;DR
- Add
tf.compat.v1.disable_v2_behavior()
at the top for TF 2.4+- calculate shap values on numpy array, not on df
Full reproducible example:
QUESTION
I'm writing a German->English translator using an encoder/decoder pattern, where the encoder connects to the decoder by passing the state output of its last LSTM layer as the input state of the decoder's LSTM.
I'm stuck, though, because I don't know how to interpret the output of the encoder's LSTM. A small example:
...ANSWER
Answered 2021-Jun-14 at 14:38An LSTM cell in Keras gives you three outputs:
- an output state
o_t
(1st output) - a hidden state
h_t
(2nd output) - a cell state
c_t
(3rd output)
and you can see an LSTM cell here:
The output state is generally passed to any upper layers, but not to any layers to the right. You would use this state when predicting your final output.
The cell state is information that is transported from previous LSTM cells to the current LSTM cell. When it arrives in the LSTM cell, the cell decides whether information from the cell state should be deleted, i.e. we will "forget" some states. This is done by a forget gate: This gate takes the current features x_t
as an input and the hidden state from the previous cell h_{t-1}
. It outputs a vector of probabilities that we multiply with the last cell state c_{t-1}
. After determining what information we want to forget, we update the cell state with the input gate. This gate takes the current features x_t
as an input and the hidden state from the previous cell h_{t-1}
and produces an input which is added to the last cell state (from which we have already forgotten information). This sum is the new cell state c_t
.
To get the new hidden state, we combine the cell state with a hidden state vector, which is again a vector of probabilities that determines which information from the cell state should be kept and which should be discarded.
As you have correctly interpreted, the first tensor is the output of all hidden states.
The second tensor is the hidden output, i.e. $h_t$, which acts as the short-term memory of the neural network The third tensor is the cell output, i.e. $c_t$, which acts as the long-term memory of the neural network
In the keras-documentation it is written that
QUESTION
I have the data in the following format. I am using a neural network to predict three parameters downtime, latency and accuracy using neural network regression.
...ANSWER
Answered 2021-Jun-14 at 00:47I can't run your code so I created something similar and I get this error when pre_norms
has values NaN
.
I get pre_norms
with NaN
because predictors
has columns No_Model
,Technique
which have strings and predictors-predictors.mean()/predictors.std())
convert them to NaN
Solution could be removing columns No_Model,Technique
but this create empty data - so it is useless.
I don't know you full code but you should check what you have in variables and if you have NaN
then you have wrong calculations.
QUESTION
I am have a time series data and I am trying to build and train an LSTM model over it. I have 1 input and 1 Output corresponding to my model. I am trying to build a Many to Many model where Input length is exactly equal to output length.
The shape of my inputs are X --> (1700,70,401) (examples, Timestep, Features)
Shape of my output is Y_1-->(1700,70,3) (examples, Timestep, Features)
Now When I am trying to approach this problem via sequential API everything is running fine.
...ANSWER
Answered 2021-Jun-13 at 18:26I made a mistake in the code itself while executing the Model part of in the functional API version.
QUESTION
I want to force the Huggingface transformer (BERT) to make use of CUDA.
nvidia-smi showed that all my CPU cores were maxed out during the code execution, but my GPU was at 0% utilization. Unfortunately, I'm new to the Hugginface library as well as PyTorch and don't know where to place the CUDA attributes device = cuda:0
or .to(cuda:0)
.
The code below is basically a customized part from german sentiment BERT working example
...ANSWER
Answered 2021-Jun-12 at 16:19You can make the entire class inherit torch.nn.Module
like so:
QUESTION
I'm new on PyTorch and I'm trying to code with it
so I have a function called OH
which tack a number and return a vector like this
ANSWER
Answered 2021-Apr-30 at 23:19the problem is that you are receiving a tensor on the act function on the Network and then save it as a tensor just remove the tensor in the action like this
QUESTION
I have two matrices. Matrix A is contains some values and matrix B contains indices. The shape of matrix A and B is (batch, values) and (batch, indices), respectively.
My goal is to select values from matrix A based on indices of matrix B along the batch dimension.
For example:
...ANSWER
Answered 2021-Jun-12 at 15:56You can achieve this with the tf.gather
function.
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