为什么slove无法解决复杂的三角函数问题?
麻烦各位看一下我的代码是怎么回事,能跑,但是结果死活出不来,是式子太复杂了吗?
在debug的时候上一步还能走
下一步就直接宕机了一样
这是咋回事 是结果太复杂要算很久,还是因为前面公式有错误,还是说这个方程根本就无解?
代码如下:
```python
# importing library sympy
from sympy import symbols, Eq, solve,sin,cos,tan
import math
import numpy as np
# defining symbols used in equations
# or unknown variables
x, y, z = symbols('x,y,z')
sinA = ((3**(0.5)/2*0.3)/(0.8+x))**0.5
cosA = (1-sinA**2)**0.5
sinB = 0.15/((0.8+x)**2-(0.09*3/4)**2)**0.5
cosB = (1-sinB**2)**0.5
cosBO = cosB*cos(z)-sinB*sin(z)
sinBO = (1-cosBO**2)**0.5
sinY = 0.3/(0.8+y)
cosY = (1-(sinY)**2)**0.5
cosYO = cosY*cos(z)+sinY*sin(z)
sinYO = (1-cosYO**2)**0.5
# defining equations
eq1 = Eq((1000*x*cosA*cosBO + 500*y*cosYO), 100)
print("Equation 1:")
print(eq1)
eq2 = Eq((1000*x*cosA*sinBO - 500*y*sinYO), 0)
print("Equation 2")
print(eq2)
eq3 = Eq((1000*x*cosA*cosBO*(0.15-0.3*tan(z)) - 500*y*cosYO*(0.3+0.3*tan(z))), 0)
print("Equation 3")
print(eq3)
# solving the equation and printing the
# value of unknown variables
print("Values of 3 unknown variable are as follows:")
print(solve((eq1, eq2, eq3), (x, y, z)))
print("done")
```