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9Â¥: Originally posted by chemozhang at 2016-12-05 17:17:27
¸ã´íÁË£¬Ó¦¸ÃÊÇ22.1lnx-x=40.8

NLE Solution

Solution #1 of 2
Variable      Value       f(x)       Ini Guess
x           9.9284609   -5.02E-09     3        

Solution #2 of 2
Variable      Value       f(x)       Ini Guess
x           41.580824   -2.451E-12    3        

NLE Report (safenewt)

Nonlinear equations
[1] f(x) = 22.1*ln(x)-x-40.8 = 0
chemicalengineering
11Â¥2016-12-05 22:26:58
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