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- 2016-10-31
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- 最后登录
- 1970-1-1
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clc;clear
x=[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
]
y=[1.9749E-05 1.8547E-05 1.99946E-05 2.45418E-05 2.57757E-05 2.73701E-05 2.95021E-05 3.10504E-05 3.24112E-05 3.37821E-05 3.48578E-05 3.67454E-05 3.70243E-05 3.74074E-05 3.77932E-05 3.78787E-05 3.80667E-05 3.81555E-05 3.88504E-05 3.91431E-05 3.95376E-05 3.97312E-05 3.96231E-05 3.96164E-05 3.96102E-05 3.98062E-05 4.00025E-05 3.98968E-05 4.01947E-05 4.05936E-05 4.06905E-05 4.06867E-05 4.09857E-05 4.09823E-05 4.108E-05 4.12787E-05 4.13767E-05 4.13741E-05 4.14724E-05 4.147E-05 4.15686E-05 4.1768E-05 4.1766E-05 4.16632E-05 4.17621E-05 4.17604E-05 4.19602E-05 4.20594E-05 4.22594E-05 4.22579E-05 4.25589E-05 4.25575E-05 4.28586E-05 4.30589E-05 4.32592E-05 4.33588E-05 4.30553E-05 4.35582E-05 4.35571E-05 4.39593E-05
]
fx =inline('(1./(63000.*(x./(x+0.47)).^0.5))+1./(a(1).*(x/(x+a(2)).^0.5)).*(1-exp((-(a(1).*(x./(x+a(2)).^0.5).*x./(a(3).*x)./(x+a(4))).^0.5)))','a','x')
a=nlinfit(x,y,fx,[1 1 1 1])
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