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from sympy import *

t=symbols('t')
eq=eq(10**20*exp(-12000/t)/(0.01+10**14*exp(-12000/t))-18700*(t-300))
#eq=[10**20*exp(-12000/t)/(0.01+10**14*exp(-12000/t))-18700*(t-300)]#¸Ä³ÉÕâÑù½á¹ûÒ²ÊÇÒ»ÑùµÄ
result=nonlinsolve(eq,t)
print(result)

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import numpy as np
from scipy.optimize import fsolve

def f(t):
    return 10**20*np.exp(-12000/t)/(0.01+10**14*np.exp(-12000/t))-18700*(t-300)

result=fsolve(f,[300])
print(result)

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minpack.error: result from function call is not a proper array of floats.

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import math
from scipy.optimize import fsolve

def f(t):
    return 10**20*math.exp(-12000/t)/(0.01+10**14*math.exp(-12000/t))-18700*(t-300)
result=fsolve(f,[300])
print(result)

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typeerror: only size-1 arrays can be converted to python scalars

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