Prompt Title: LSTM

Created 1 year ago
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Certainly! Here's an example of a Keras model with an embedding layer, followed by an LSTM layer, and finally a bidirectional LSTM layer that receives the embedding of each timestep as well as the output of the last two timesteps from the LSTM layer:

python
from tensorflow.keras.models import Model from tensorflow.keras.layers import LSTM, Embedding, Bidirectional, Input # Define input shape input_shape = (sequence_length,) # Replace with your desired sequence length # Define input layer inputs = Input(shape=input_shape) # Embedding layer embedding_dim = 100 # Replace with your desired embedding dimension vocab_size = 10000 # Replace with your vocabulary size embedding = Embedding(vocab_size, embedding_dim)(inputs) # LSTM layer lstm_units = 64 # Replace with the number of LSTM units lstm = LSTM(lstm_units, return_sequences=True)(embedding) # BiLSTM layer bilstm_units = 32 # Replace with the number of BiLSTM units bilstm = Bidirectional(LSTM(bilstm_units))(lstm) # Define the model model = Model(inputs=inputs, outputs=bilstm)

In this example, we start by defining the input shape and creating an input layer. Then, we apply an embedding layer to the input layer, which learns and maps the input tokens to dense vectors of the specified embedding dimension.

Next, we add an LSTM layer after the embedding layer, with return_sequences=True to obtain the sequence of outputs for each timestep. These outputs will be fed into the subsequent bidirectional LSTM layer.

Finally, we define the bidirectional LSTM layer that receives the output from the previous LSTM layer. By default, the bidirectional LSTM layer will consider all timesteps of the input sequence. The resulting output of the bidirectional LSTM layer is the final output of the model.

Note that you'll need to replace sequence_length, embedding_dim, vocab_size, lstm_units, and bilstm_units with the appropriate values for your specific model.

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Vahid
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Created 1 year ago

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