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clear
clc
%hg/R=0.05

c1=-2.74;
c2=26.723;
c3=35.29;
c4=-165.404;
Er=7.056e10;
pg1=0.0088063;
hg1=250e-9;

f= @(s1)s1*hg1.^2*(c1*(log(Er/s1)).^3+c2*(log(Er/s1)).^2+c3*(log(Er/s1))+c4)-pg1;

fsolve(f,5)

[ Last edited by 1592203609 on 2013-11-30 at 12:21 ]
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