tf.summary.scalar( name, tensor, collections=None, family=None )
See the guide: Summary Operations > Generation of Summaries
Summary protocol buffer containing a single scalar value.
The generated Summary has a Tensor.proto containing the input Tensor.
name: A name for the generated node. Will also serve as the series name in TensorBoard.
tensor: A real numeric Tensor containing a single value.
collections: Optional list of graph collections keys. The new summary op is added to these collections. Defaults to
family: Optional; if provided, used as the prefix of the summary tag name, which controls the tab name used for display on Tensorboard.
Tensor of type
string. Which contains a
ValueError: If tensor has the wrong shape or type.