python——循环结构正弦幂级数展开及图像_python


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python——循环结构正弦幂级数展开及图像_python_02

 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)

python——循环结构正弦幂级数展开及图像_python_03