[CT4101]: Add Topic 2 Examples

year4/semester1/CT4101: Machine Learning/materials/topic2/examples/external_data.csv

@@ -0,0 +1,13 @@
+independent variable, dependent variable
+30, 70
+40, 90
+40, 100
+50, 120
+50, 130
+50, 150
+60, 160
+70, 190
+70, 200
+80, 200
+80, 220
+80, 230

year4/semester1/CT4101: Machine Learning/materials/topic2/examples/helloworld.py

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+print("Hello world!")

year4/semester1/CT4101: Machine Learning/materials/topic2/examples/staticvsdynamic1.java

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+public class staticvsdynamic1 {
+	public static void main(String[] args) {
+		int x = 4; // compiles ok
+    x = 5;  // compiles ok
+    x = 3.14159; // compiler error
+    x = "Hello world!"; // compiler error
+    y = "abc123"; // compiler error
+	}
+}

year4/semester1/CT4101: Machine Learning/materials/topic2/examples/staticvsdynamic1.py

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+x = 4 # no errors
+x = 5 # no errors
+x = 3.14159 # no errors
+x = "Hello world!" # no errors
+y = "abc123" # no errors

year4/semester1/CT4101: Machine Learning/materials/topic2/examples/testnumpy.py

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+import numpy as np
+a = np.array((1, 2))
+b = np.array((3, 4))
+dist = np.linalg.norm(a-b)
+print("The distance is:", dist)

year4/semester1/CT4101: Machine Learning/materials/topic2/examples/variabletypes.py

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+x = 4
+print(type(x)) # prints "<class 'int'>" to the console
+x = "Hello world!"
+print(type(x)) # prints "<class 'str'>" to the console
+x = 3.14159
+print(type(x)) # prints "<class 'float'>" to the console