python解高阶方程
时间: 2023-10-21 10:28:42 浏览: 132
要使用Python解决高阶方程,可以使用sympy库中的solve函数。首先需要导入sympy库,并定义变量x。然后使用solve函数来解方程。举个例子,如果要解一个一元四次方程,可以使用以下代码:
```
from sympy import *
x = symbols('x')
equation = 8*(x**4) + 36*(x**3) + 22*(x**2) - 37*x - 32
solutions = solve(equation, x)
print(solutions)
```
这段代码将会求解方程8*(x**4) + 36*(x**3) + 22*(x**2) - 37*x - 32,并将解打印出来。
如果解的结果特别长,你可以将结果转化为小数形式。可以使用evalf函数,并通过n参数指定所需的有效数字位数。例如,要将解的结果保留3位有效数字,可以使用以下代码:
```
from sympy import *
x = symbols('x')
equation = 8*(x**4) + 36*(x**3) + 22*(x**2) - 37*x - 32
solutions = solve(equation, x)
solutions_decimal = [solution.evalf(n=3) for solution in solutions]
print(solutions_decimal)
```
这段代码将会求解方程并将解转化为小数形式,并将结果打印出来。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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