# cosine_similarity

> **Function** in `langchain_qdrant`

📖 [View in docs](https://reference.langchain.com/python/langchain-qdrant/_utils/cosine_similarity)

Row-wise cosine similarity between two equal-width matrices.

## Signature

```python
cosine_similarity(
    X: Matrix,
    Y: Matrix,
) -> np.ndarray
```

---

[View source on GitHub](https://github.com/langchain-ai/langchain/blob/b302691ff9ad841804e93e5addbdc53b6974473b/libs/partners/qdrant/langchain_qdrant/_utils.py#L42)