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import math | |
def fix(x): | |
return math.tan(x) + x - 1 | |
def fix_derivative(x): | |
return 1 / (math.cos(x) ** 2) + 1 | |
def newton_method(f, df, initial_guess, eps, max_iterations=100): | |
x = initial_guess | |
iterations = 0 | |
while iterations < max_iterations: | |
x_new = x - f(x) / df(x) | |
if abs(x_new - x) < eps: | |
return x_new, iterations | |
x = x_new | |
iterations += 1 | |
return None, iterations | |
k = 1 | |
x = 0.47972 | |
eps = 1e-12 | |
root, iterations = newton_method(fix, fix_derivative, x, eps) | |
if root is not None: | |
print(f"Приближенное значение корня: {root}") | |
print(f"Количество итераций: {iterations}") | |
else: | |
print("Метод Ньютона не сошелся к корню.") |
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