nomic[patch]: release 0.0.2, dimensionality (#17534)

- nomic[patch]: release 0.0.2
- x

docs/docs/integrations/text_embedding/nomic.ipynb

@@ -58,7 +58,7 @@
    "source": [
     "from langchain_nomic.embeddings import NomicEmbeddings\n",
     "\n",
-    "embeddings = NomicEmbeddings(model=\"nomic-embed-text-v1\")"
+    "embeddings = NomicEmbeddings(model=\"nomic-embed-text-v1.5\")"
    ]
   },
   {
@@ -106,6 +106,28 @@
     "    [\"This is a content of the document\", \"This is another document\"]\n",
     ")"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "7a331dc3",
+   "metadata": {},
+   "source": [
+    "### Custom Dimensionality\n",
+    "\n",
+    "Nomic's `nomic-embed-text-v1.5` model was [trained with Matryoshka learning](https://blog.nomic.ai/posts/nomic-embed-matryoshka) to enable variable-length embeddings with a single model. This means that you can specify the dimensionality of the embeddings at inference time. The model supports dimensionality from 64 to 768."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "993f65c8",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "embeddings = NomicEmbeddings(model=\"nomic-embed-text-v1.5\", dimensionality=256)\n",
+    "\n",
+    "embeddings.embed_query(\"My query to look up\")"
+   ]
   }
  ],
  "metadata": {