| Parameter | Details |
|---|---|
| data type (dtype) | specifically one of the data types provided by the tensorflow package. E.g. tensorflow.float32 |
| data shape (shape) | Dimensions of placeholder as list or tuple. None can be used for dimensions that are unknown. E.g. (None,30) would define a (? x 30) dimension placeholder |
| name (name) | A name for the operation (optional). |