def hooke_jeeves(x0, epsilon, step, alpha):
it = 0
xB = x0
a = b = float('inf')
while c(x0) > epsilon or it < 1_000: #
# warunek stopu
if it == 0:
a = c(x0)
else:
a = b
b = c(x0)
if a == b:
break
it += 1
xB = x0
x0 = try_procedure(xB, step)
if c(x0) < c(xB):
while c(x0) >= c(xB):
xB_temp = xB
xB = x0
x0 = 2 * xB - xB_temp
x0 = try_procedure(x0, step)
else:
step = alpha * step
save(c(x0), 0)
save(xB, 0)
return xB
def try_procedure(x, s, function):
size = len(x)
for i in range(size):
temp = x
temp_val = list(temp)
temp_val[i] = temp_val[i] + s
temp = tuple(temp_val)
if c(temp, function) < c(x, function):
x = temp
else:
temp_val = list(temp)
temp_val[i] = temp_val[i] - 2.0 * s
temp = tuple(temp_val)
if c(temp, function) < c(x, function):
x = temp
return x
def hooke_jeeves(x0, epsilon, s, alpha, function):
it = 0
xB = x0
a = b = float('inf')
while s > epsilon or it < 1_000:
if it == 0:
a = c(x0, function)
else:
a = b
b = c(x0, function)
save(function, c(x0, function))
if a == b:
break
it += 1
xB = x0
x0 = try_procedure(xB, s, function)
if c(x0, function) < c(xB, function):
while c(x0, function) >= c(xB, function):
xB_temp = xB
xB = x0
x0 = 2 * xB - xB_temp
x0 = try_procedure(x0, s)
else:
s = alpha * s
return xB
def try_procedure(x, step):
size = len(x)
for i in range(size):
temp = x
# ograniczenia współczynników
if temp[i] + step * temp[i] < dict_constraints[i][
1] and temp[i] + step * temp[i] > dict_constraints[i][0]:
temp[i] = temp[i] + step * temp[i]
else:
continue
# po korekcji współczynników
if c(temp) < c(x):
x = temp
else:
temp[i] = temp[i] - 2.0 * step * temp[i]
if c(temp) < c(x):
x = temp
return x
b.看R基测三个字母的缩写
c.看三个字母的缩写测R基
d.看三个字母的缩写测中文
e.看一个字母的缩写测三个字母的缩写
f.See some tips
g.Exit''')
cho = str(input())
if cho == 'g': exit()
if cho == 'f':
print(tip.t)
nothing = input()
continue
if cho == 'b':
func.b()
continue
if cho == 'c':
func.c()
continue
if cho == 'd':
func.d()
continue
if cho == 'e':
func.e()
continue
if cho == 'g':
nothing = input()
exit()
else:
print("Invalid choice")
nothing = input()