Tue 27 Aug 00:14:56 CEST 2024

test/test-mlp3.js

@@ -0,0 +1,64 @@
+// MLP Function Approximation f(x)=y=x/2^3-5
+
+var x = [
+  0,
+  1,
+  2,
+  3,
+  4,
+  5,
+  6,
+  7,
+  8,
+  9,
+  10,
+  11,
+  12,
+  13,
+  14,
+  15,
+  16,
+  17,
+  18,
+  19
+];
+
+x=ml.stats.utils.wrap(x);
+
+// y=Math.pow(x/2,3)-5
+var y = [ 
+  -5,
+  -4.875,
+  -4,
+  -1.625,
+  3,
+  10.625,
+  22,
+  37.875,
+  59,
+  86.125,
+  120,
+  161.375,
+  211,
+  269.625,
+  338,
+  416.875,
+  507,
+  609.125,
+  724,
+  852.375 
+];
+
+var model = ml.learn({
+    algorithm : ml.ML.MLP,
+    x : x,
+    y : y,
+    normalize:true,
+    regression: true,
+    epochs : 1000000,
+    hidden_layers : [3,4]
+});
+
+print(model)
+print(merge(ml.stats.utils.wrap(ml.predict(model,x)),y,'c'));
+