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+*\~
diff --git a/phase2.dyalog b/phase2.dyalog
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+:Namespace Phase2
+
+        (⎕IO ⎕ML ⎕WX)←1 1 3
+
+        ⍝ Neural Network Problem Set
+
+        ⍝ Problem 1 - Transfer Functions
+        StepFn←{¯1+2×0≤⍵}
+        Sigmoid←{÷1+*-⍵}
+
+        ⍝ Problem 2 - Perceptron
+        Perceptron←{⍺⍺+/⍺×⍵}
+
+:EndNamespace