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Tensorflow 2.0: How To Update Tensors?

In TensorFlow 1.x, to update a tensor, I would use tf.scatter_update, to only update the relevant part of the tensor. How can we do the same thing in TF 2.0?

Solution 1:

You can use tf.tensor_scatter_nd_update():

import tensorflow as tf
import numpy as np 

tensor = tf.convert_to_tensor(np.ones((2, 2)), dtype=tf.float32)
indices = tf.constant([[0, 0]])
updates = tf.constant([0.0])

tf.tensor_scatter_nd_update(tensor, indices, updates).numpy()
# array([[0., 1.],
#        [1., 1.]], dtype=float32)

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