tf.compat.v2.summary.scalar
Write a scalar summary.
tf.compat.v2.summary.scalar( name, data, step=None, description=None )
Arguments | |
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name |
A name for this summary. The summary tag used for TensorBoard will be this name prefixed by any active name scopes. |
data |
A real numeric scalar value, convertible to a float32 Tensor. |
step |
Explicit int64 -castable monotonic step value for this summary. If omitted, this defaults to tf.summary.experimental.get_step() , which must not be None. |
description |
Optional long-form description for this summary, as a constant str . Markdown is supported. Defaults to empty. |
Returns | |
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True on success, or false if no summary was written because no default summary writer was available. |
Raises | |
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ValueError |
if a default writer exists, but no step was provided and tf.summary.experimental.get_step() is None. |
© 2020 The TensorFlow Authors. All rights reserved.
Licensed under the Creative Commons Attribution License 3.0.
Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/versions/r1.15/api_docs/python/tf/compat/v2/summary/scalar