如何从张量流中的常量创建向量 [英] How to create a vector from a constant in tensorflow

问题描述

如何从张量流常数/变量等创建张量流向量?例如，我有一个常量 x，我想创建一个向量，它是 [x].

How is it that you would create a tensorflow vector from a tensorflow constant/variable etc? For example I have a constant x and I want to create a vector which is [x].

我已经尝试了下面的代码，但它不起作用.任何帮助将不胜感激.

I have tried the code below and it doesn't work. Any help would be appreciated.

x = tf.placeholder_with_default(1.0,[], name="x")
nextdd = tf.constant([x], shape=[1], dtype=tf.float32)

推荐答案

从你的描述看来，你想使用 tf.expand_dims:

From you description, it looks like you want to use tf.expand_dims:

# 't' is a tensor of shape [2]
tf.shape(tf.expand_dims(t, 0))  # [1, 2]
tf.shape(tf.expand_dims(t, 1))  # [2, 1]
tf.shape(tf.expand_dims(t, -1))  # [2, 1]

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