Definition of episodic and batch

1. episodic: Returns N-way classification episodes, which contain a support (training) set and a query (test) set. The number of classes (N) may vary from episode to episode.
2. batch: Returns batches of images and their corresponding label, sampled from all available classes.

see ：

meta-dataset/Intro_to_Metadataset.ipynb at main · google-research/meta-dataset (github.com)