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Artificial neural networks (ANN), are composed of 'neurons' - programming constructs that mimic the properties of biological neurons. A set of weighted connections between the neurons allows information to propagate through the network to solve artificial intelligence problems without the network designer having had a model of a real system.

2 votes
1 answer
4k views

TensorFlow: trainable_variables() is empty

I want to retrieve the list of trainable variables/weights in my model (wrapped in a tf.Estimator). However, tf.trainable_variables always returns an empty list, what am I doing wrong? import numpy a …
Ben's user avatar
  • 250
2 votes
Accepted

Softmax: Different output scikit-learn and TensorFlow

The problem turned out to be silly, I just needed more epochs, a smaller learning rate (and for efficiency I turned to AdamOptimizer, results are now equal. (1681,) (1681, 2) SCI-KITLEARN RESULTS: …
Ben's user avatar
  • 250
3 votes
2 answers
1k views

Softmax: Different output scikit-learn and TensorFlow

I'm trying to learn a simple linear softmax model on some data. The LogisticRegression in scikit-learn seems to work fine, and now I am trying to port the code to TensorFlow, but I'm not getting the s …
Ben's user avatar
  • 250
4 votes
1 answer
8k views

TensorFlow: number of channels of conv1d filter

I want to apply a ConvNet on my one dimensional data retrieved from 13 sensors. So, each of my samples consists of 13 channels (of 51 values) I am using 'conv1d' to apply a ConvNet on my data. The ne …
Ben's user avatar
  • 250