added intro to machine learning

Author: haesleinhuepf

09_machine_learning/01_supervised_machine_learning.ipynb

@@ -0,0 +1,11 @@
+def generate_biomodal_2d_data():
+    import numpy as np
+        
+    rs = np.random.RandomState(seed=0)
+
+    x1 = rs.normal(3, 1, (150,2))
+    x2 = rs.normal(8, 1.5, (150,2))
+
+    x_all = np.concatenate((x1, x2), axis=0)
+    rs.shuffle(x_all)
+    return x_all