关于求一个带log的隐函数解,用matlab 出错 求修改clearclc%hg/R=0.05c1=-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)
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![关于求一个带log的隐函数解,用matlab 出错 求修改clearclc%hg/R=0.05c1=-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)](/uploads/image/z/15246993-57-3.jpg?t=%E5%85%B3%E4%BA%8E%E6%B1%82%E4%B8%80%E4%B8%AA%E5%B8%A6log%E7%9A%84%E9%9A%90%E5%87%BD%E6%95%B0%E8%A7%A3%2C%E7%94%A8matlab+%E5%87%BA%E9%94%99+%E6%B1%82%E4%BF%AE%E6%94%B9clearclc%25hg%2FR%3D0.05c1%3D-2.74%3Bc2%3D26.723%3Bc3%3D35.29%3Bc4%3D-165.404%3BEr%3D7.056e10%3Bpg1%3D0.0088063%3Bhg1%3D250e-9%3Bf%3D+%40%28s1%29s1%2Ahg1.%5E2%2A%28c1%2A%28log%28Er%2Fs1%29%29.%5E3%2Bc2%2A%28log%28Er%2Fs1%29%29.%5E2%2Bc3%2A%28log%28Er%2Fs1%29%29%2Bc4%29-pg1%3Bfsolve%28f%2C5%29)
关于求一个带log的隐函数解,用matlab 出错 求修改clearclc%hg/R=0.05c1=-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)
关于求一个带log的隐函数解,用matlab 出错 求修改
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)关于求一个带log的隐函数解,用matlab 出错 求修改clearclc%hg/R=0.05c1=-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)
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