def graf(f):
if isinstance(f, int) or isinstance(f, float):
f = Polinom([f])
if isinstance(f, Polinom):
f = Fraction(f, 1)
print('Ničle:', solve(f)[1])
print('Poli: ', solve_poles(f)[1])
print('Asimptota:', f.num//f.denum)
print('Presečišča z asimptoto:', solve(f.num % f.denum))
print('Začetna vrednost:', f[0])
def OLS(n, x, y):
A = []
m = len(x)
if m != len(y):
return None
for i in range(n + 1):
A.append([])
for j in range(n + 1):
if i <= j:
tmp = 0.0
for p in range(m):
#for q in range(m):
tmp += (float(x[p])**i) * (float(x[p])**j)
A[i].append(tmp)
else:
A[i].append(A[j][i])
B = []
for i in range(n + 1):
tmp = 0.0
for p in range(m):
#for q in range(m):
tmp += (float(x[p])**i) * y[p]
B.append(tmp)
flag, answer = solve(A, B)
return answer
def form_post():
try:
os.remove("static/images/g.png")
except FileNotFoundError:
pass
if request.method == "POST":
a = request.form['a']
b = request.form['b']
c = request.form['c']
result = solve([a, b, c])
if isinstance(result, set):
save_png(a, b, c)
unixtime = time.time()
return render_template("success.html",
result=result,
unixtime=unixtime)
else:
render_template("index.html")
def handle(self):
self.request.settimeout(2)
chal, _, sol = challenge().partition(" => ")
self.wfile.write(
b"You have to send back a valid expression solving the given equation\n"
)
self.wfile.write(
b"ex: Given ((((5 ? 1) ? (2 ? 9)) ? ((3 ? 5) ? (0 ? 6))) ? (((3 ? 9) ? (6 ? 3)) ? ((7 ? 1) ? (9 ? 3)))) => -1\n"
)
self.wfile.write(
b"ex: Reply ((((5 + 1) + (2 + 9)) + ((3 + 5) + (0 + 6))) + (((3 + 9) - (6 + 3)) - ((7 + 1) + (9 * 3))))\n"
)
self.wfile.write(f"{chal} => {sol}\n\n".encode())
self.data = self.rfile.readline().strip()
print(f"{self.client_address[0]} wrote: {self.data.decode()}")
try:
result = Expression.fromstring(self.data.decode())
exp = solve(f"{chal} => {sol}")
assert exp.level() == result.level()
except Exception as e:
traceback.print_exc()
self.wfile.write(b"Invalid expression; Try harder\n")
else:
n1, n2 = len(chal), len(str(result))
if n1 != n2:
self.wfile.write(b"Invalid expression; Input has wrong size\n")
return
for c1, c2 in zip(str(exp), str(result)):
if c1 != c2 and c2 not in ops.values():
self.wfile.write(b"Invalid expression; Input mismatch\n")
return
if int(result) == int(sol):
print("Success!")
self.wfile.write(f"Congratulations! {flag}\n".encode())
else:
print("Failure!")
self.wfile.write(
f"Wrong answer ({int(result)} != {int(sol)}); Try harder!\n"
.encode())
def test_20(self):
eqn = '-2x+3=2x+3'
self.assertEqual(solve(eqn), 0)
def test_21(self):
eqn = '3-2x=-1'
self.assertEqual(solve(eqn), 2)
def test_7(self):
eqn = 'x=-x'
self.assertEqual(solve(eqn), 0)
def test_3(self):
eqn = '3=2x'
self.assertEqual(solve(eqn), 1.5)
A.append([])
for j in range(n):
A[i].append(0.0)
for i in range(n):
if i - 1 >= 0:
A[i][i - 1] = elpson
if i + 1 < n:
A[i][i + 1] = elpson + h
A[i][i] = -(2 * elpson + h)
B = []
for i in range(n):
B.append(a * h * h)
return A, B
if __name__ == "__main__":
A = [[20, 2, 3], [1, 8, 1], [2, -3, 15]]
B = [24, 12, 30]
A, B = build(0.1, 100, 0.5)
#n = len(A)
#for i in range(n):
# for j in range(n):
# print A[i][j],
# print
print solve_jacobi(A, B, 100)[-5:-1]
print solve_GS(A, B, 100)[-5:-1]
print solve_SOR(A, B, 0.8, 100)[-5:-1]
print equation.solve(A, B)[1][-5:-1]
for i in range(n): A.append([]) for j in range(n): A[i].append(0.0) for i in range(n): if i - 1 >= 0: A[i][i - 1] = elpson if i + 1 < n: A[i][i + 1] = elpson + h A[i][i] = -(2 * elpson + h) B = [] for i in range(n): B.append(a * h * h) return A, B if __name__=="__main__": A = [[20, 2, 3],[1, 8, 1],[2, -3, 15]] B = [24, 12, 30] A, B = build(0.1, 100, 0.5) #n = len(A) #for i in range(n): # for j in range(n): # print A[i][j], # print print solve_jacobi(A, B, 100)[-5:-1] print solve_GS(A, B, 100)[-5:-1] print solve_SOR(A, B, 0.8, 100)[-5:-1] print equation.solve(A, B)[1][-5:-1]
def test_1(self):
eqn = '2x=3'
self.assertEqual(solve(eqn), 1.5)
def test_23(self):
eqn = '-2x+3=2x-3'
self.assertEqual(solve(eqn), 1.5)
def test_11(self):
eqn = '2x=3x'
self.assertEqual(solve(eqn), 0)
def test_12(self):
eqn = '0=0'
self.assertEqual(solve(eqn), 'NO')
def test_10(self):
eqn = '2=3'
self.assertEqual(solve(eqn), 'NO')
def test_9(self):
eqn = '2=2'
self.assertEqual(solve(eqn), 'NO')
def test_8(self):
eqn = 'x=x'
self.assertEqual(solve(eqn), 'NO')
def test_22(self):
eqn = '-3+2x=4x-1'
self.assertEqual(solve(eqn), -1)
def test_13(self):
eqn = '2x+1=0'
self.assertEqual(solve(eqn), -0.5)
def test_2(self):
eqn = '-2x=3'
self.assertEqual(solve(eqn), -1.5)
#!/usr/bin/python # -*- coding: utf-8 -*- import equation A = input(u'a: ') B = input(u'b: ') C = input(u'c: ') R = equation.solve(A,B,C) print(R) #D = B*B - 4.0*A*C #if D >= 0.0 : # x1 = (-B + math.sqrt(D)) / (2.0 * A) # x2 = (-B - math.sqrt(D)) / (2.0 * A) # # print x1, x2 # #else : # print u'No soution' # #print u'END'
def test_24(self):
eqn = '-12x+18=-30+12x'
self.assertEqual(solve(eqn), 2)
def agile(variants_to_consider):
for parameter_set in variants_to_consider:
equation.solve(parameter_set['E'], parameter_set['L'], parameter_set['dx'])
equation.report_filename=''
equation.iteration=0
equation.dump_result()
def test_4(self):
eqn = '-3=2x'
self.assertEqual(solve(eqn), -1.5)
def test_5(self):
eqn = '-2x=-3'
self.assertEqual(solve(eqn), 1.5)
def test_15(self):
eqn = '-2x+1=-0'
self.assertEqual(solve(eqn), 0.5)
def test_6(self):
eqn = '-3=-2x'
self.assertEqual(solve(eqn), 1.5)
def test_solve(self):
self.assertEqual(eq.solve([0, 10, 2]), 1)
self.assertEqual(eq.solve([0, 10, 0]), 1)
self.assertEqual(eq.solve([0, 0, 10]), 0)
self.assertEqual(eq.solve([1, 10000, 2]), 2)
self.assertEqual(eq.solve([3, 4, 5]), 0)
def test_17(self):
eqn = '-0=2x-4'
self.assertEqual(solve(eqn), 2)
def test_18(self):
eqn = '2x+3=2x+3'
self.assertEqual(solve(eqn), 'NO')
def test_19(self):
eqn = '-2x+2=-2x+3'
self.assertEqual(solve(eqn), 'NO')
def test_solve():
assert equation.solve(2, 1, 2) == 0
assert equation.solve(0, 1, 2) == 1
def test_27(self):
eqn = '3x-4+4x-3=0'
self.assertEqual(solve(eqn), 1)