python——循环结构正弦幂级数展开及图像

ゞ浴缸里的玫瑰 2021-07-25 17:22 331阅读 0赞

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![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMzNjA4MDAw_size_16_color_FFFFFF_t_70 1]

import math
    
    n = int(input('input order n(odd number): '))
    x = eval(input('input x: '))
    
    exact_sol = math.sin(x)
    
    s = 0
    flag = 1
    for i in range(1, n+1, 2):
        s += flag * math.pow(x, i)/math.factorial(i)
        flag = -flag
    number_sol = s
    
    print('exact solution sin(%s)=%s' % (x, exact_sol))
    print('numerical solution = %s' % number_sol)

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMzNjA4MDAw_size_16_color_FFFFFF_t_70 2]

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