add quiz

Quiz/quiz1.py

+# 5
+import numpy as np
+e = np.e
+
+def double(V):
+    sign = 1 if V[0] == '0' else -1
+    tmp = [ int(V[i]) * 2 ** (11-i) for i in range(1, len(V)) ]
+    e = sum(tmp[0:11])
+    f = 1+sum(tmp[11:])
+    return sign * 2 ** (e - 1023) * f
+
+print(double('0011111111110000000000000000000000000000000000000000000000000000'))
+
+print(double('1100000000000000000000000000000000000000000000000000000000000000'))
+
+print(double('0100000000110111000000000000000000000000000000000000000000000000'))
+

Quiz/quiz2.py

+# 2
+import numpy as np
+
+e = np.e
+
+def f(x):
+    return e**(-x)
+
+def third(f,x, h):
+    return (f(x+2*h) - 2*f(x+h) + 2*f(x-h)-f(x-2*h))/(2*h**3)
+
+print(third(f, 1, 0.001))
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