Merge pull request #7 from Yuan-Jinghui/main

Some additions and modifications to the README and tests.

Author: pchlenski

README.md

@@ -79,6 +79,12 @@ print(tree.score(X_test, y_test))
 - `manify.predictors.perceptron` - Product space perceptron
 - `manify.predictors.svm` - Product space SVM
 
+**Clustering**
+- `manify.clustering.fuzzy_kmeans` - Riemannian fuzzy K-Means for clustering
+
+**Optimizers**
+- `manify.optimizers.radan` - Riemannian version of Adan optimizer
+
 **Utilities**
 - `manify.utils.benchmarks` - Tools for benchmarking
 - `manify.utils.dataloaders` - Loading datasets

notebooks/64_start_clustering.ipynb

@@ -104,9 +104,9 @@
     "import numpy as np\n",
     "#    (curvature, dimension)\n",
     "signature = [\n",
-    "    (0.0, 4),   # R^2 (Euclidean space)\n",
-    "    (1.0, 4),   # S^2 (Spherical space)\n",
-    "    (-1.0, 4),  # H^2 (Hyperbolic space)\n",
+    "    (0.0, 4),   # R^4 (Euclidean space)\n",
+    "    (1.0, 4),   # S^4 (Spherical space)\n",
+    "    (-1.0, 4),  # H^4 (Hyperbolic space)\n",
     "]\n",
     "\n",
     "# 2. Construct the ProductManifold (without stereographic projection)\n",