add quiz

.idea/inspectionProfiles/Project_Default.xml

+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="PyPackageRequirementsInspection" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="ignoredPackages">
+        <value>
+          <list size="4">
+            <item index="0" class="java.lang.String" itemvalue="nose" />
+            <item index="1" class="java.lang.String" itemvalue="coverage" />
+            <item index="2" class="java.lang.String" itemvalue="mock" />
+            <item index="3" class="java.lang.String" itemvalue="PyHamcrest" />
+          </list>
+        </value>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>
\ No newline at end of file

Quiz01/converter.py

+def single(v):
+    v+="0"*(32-len(v))
+    sign = -1 if v[0] == '1' else 1
+    e=sum([(int(v[i])*2**(8-i)) for i in range(1,9)])
+    x=1+sum([int(v[i])*(2**(8-i)) for i in range(9,32)])
+    print(sign*x*2**(e-127))
+single("01101011101101010000000000000000")
+single("11001100101111100010000000000000")

Quiz01/double.py

+def double(v):
+    v += "0" * (64 - len(v))
+    v=v.replace(" ","")
+    sign=(-1)**int(v[0])
+    e=sum([int(v[i])*(2**(11-i)) for i in range(1,12)])
+    x=1+sum([int(v[i])*(2**(11-i)) for i in range(12,64)])
+    print (sign*x*2**(e-1023))
+
+double("0 01111111111 0000000000000000000000000000000000000000000000000000")
+double("11000000000000000000000000000000000000000000000000000000000000000")
+double("01000000001101110000000000000000000000000000000000000000000000000")

Quiz01/linear.py

+import numpy as np
+def Ab2Uc(A, b):
+    A=np.array(A,float)
+    b=np.array(b,float)
+    n=len(b)
+    for k in range(0,n-1):
+        for i in range(k+1,n):
+            if A[i,k] != 0.0:
+                lam=A[i,k]/A[k,k]
+                A[i,k]=0
+                A[i,k+1:n] -= lam*A[k,k+1:n]
+                b[i]-=lam*b[k]
+    print (A)
+    print (b)
+A = [
+[4, -2, 1],
+[-2, 4, -2],
+[1, -2, 4]
+]
+b = [
+11,
+-16,
+17
+]
+Ab2Uc(A, b)
+

Quiz01/mat.py

@@ -6,5 +6,4 @@ M = [
 [3, 2, 1, 2],
 [5, 4, 3, 3],
 [7, 3, 6, 4]
-]
-sub(M, 2, 2, 0, 1)
+]
\ No newline at end of file
\ No newline at end of file

Quiz01/solver.py

+import numpy as np
+def solve(A, b):
+    A=np.array(A,float)
+    b=np.array(b,float)
+    n=len(b)
+    for k in range(0,n-1):
+        for i in range(k+1,n):
+            if (A[i,k] != 0.0) :
+                lam=A[i,k]/A[k,k]
+                A[i,k]=0
+                A[i,k+1:n]-=lam*A[k,k+1:n]
+                b[i]-=lam*b[k]
+    x=b.copy()
+    for k in range(n-1,-1,-1):
+        x[k]=(b[k]-np.dot(A[k,k+1:n],x[k+1:n]))/A[k,k]
+    print (x)
+A = [
+[4, -2, 1],
+[-2, 4, -2],
+[1, -2, 4]
+]
+b = [
+11,
+-16,
+17
+]
+solve(A, b)
\ No newline at end of file