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3Â¥: Originally posted by 505801847 at 2016-04-12 15:08:51
x=0.33511 »­Í¼Çó½â£¬»òʹÓÃÈí¼þMicrosoft Mathematics¶¼ÄÜ×ö£¬Íû²ÉÄÉ

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Matlab½â¾öso easy
>> solve('50*log(x)-x+55','x')

ans =

[    50*log(-50*lambertw(-1/50*exp(-11/10)))+55]
[ 50*log(-50*lambertw(-1,-1/50*exp(-11/10)))+55]

>> double(ans)

ans =

    0.3351
  347.5447

>>
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8Â¥: Originally posted by kill_speed at 2016-04-13 11:00:50
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