有关上限是变量的定积分函数及其作图,Matlabsyms x Ef Et y;Ei=0.5426;Ef=0.842;Et=linspace(1.1,1.4,100);n=((4*pi*(2*1.18*9.11*10^31)^(3/2)/(4.14*10^(-15))).*(sqrt(x-1.1)/(1+2.71.^((x-Ef)./0.026))));y=int(n,x,1.1,Et);plot(log(y),Et);我
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![有关上限是变量的定积分函数及其作图,Matlabsyms x Ef Et y;Ei=0.5426;Ef=0.842;Et=linspace(1.1,1.4,100);n=((4*pi*(2*1.18*9.11*10^31)^(3/2)/(4.14*10^(-15))).*(sqrt(x-1.1)/(1+2.71.^((x-Ef)./0.026))));y=int(n,x,1.1,Et);plot(log(y),Et);我](/uploads/image/z/1745082-18-2.jpg?t=%E6%9C%89%E5%85%B3%E4%B8%8A%E9%99%90%E6%98%AF%E5%8F%98%E9%87%8F%E7%9A%84%E5%AE%9A%E7%A7%AF%E5%88%86%E5%87%BD%E6%95%B0%E5%8F%8A%E5%85%B6%E4%BD%9C%E5%9B%BE%2CMatlabsyms+x+Ef+Et+y%3BEi%3D0.5426%3BEf%3D0.842%3BEt%3Dlinspace%281.1%2C1.4%2C100%29%3Bn%3D%28%284%2Api%2A%282%2A1.18%2A9.11%2A10%5E31%29%5E%283%2F2%29%2F%284.14%2A10%5E%28-15%29%29%29.%2A%28sqrt%28x-1.1%29%2F%281%2B2.71.%5E%28%28x-Ef%29.%2F0.026%29%29%29%29%3By%3Dint%28n%2Cx%2C1.1%2CEt%29%3Bplot%28log%28y%29%2CEt%29%3B%E6%88%91)
有关上限是变量的定积分函数及其作图,Matlabsyms x Ef Et y;Ei=0.5426;Ef=0.842;Et=linspace(1.1,1.4,100);n=((4*pi*(2*1.18*9.11*10^31)^(3/2)/(4.14*10^(-15))).*(sqrt(x-1.1)/(1+2.71.^((x-Ef)./0.026))));y=int(n,x,1.1,Et);plot(log(y),Et);我
有关上限是变量的定积分函数及其作图,Matlab
syms x Ef Et y;
Ei=0.5426;
Ef=0.842;
Et=linspace(1.1,1.4,100);
n=((4*pi*(2*1.18*9.11*10^31)^(3/2)/(4.14*10^(-15))).*(sqrt(x-1.1)/(1+2.71.^((x-Ef)./0.026))));
y=int(n,x,1.1,Et);
plot(log(y),Et);
我想对n代表的函数求积分,上限是Et,是从1.1.4变化的变量,下限是1.1,然后再plot出log(n) 和 Et的图像.我matlab基本不怎么会.
有关上限是变量的定积分函数及其作图,Matlabsyms x Ef Et y;Ei=0.5426;Ef=0.842;Et=linspace(1.1,1.4,100);n=((4*pi*(2*1.18*9.11*10^31)^(3/2)/(4.14*10^(-15))).*(sqrt(x-1.1)/(1+2.71.^((x-Ef)./0.026))));y=int(n,x,1.1,Et);plot(log(y),Et);我
syms x Ef Et y;
Ei=0.5426;
Ef=0.842;
Et=linspace(1.1,1.4,100);
%%%%好像是9.11e-31
n=((4*pi*(2*1.18*9.11*10^31)^(3/2)/(4.14*10^(-15))).*(sqrt(x-1.1)/(1+2.71.^((x-Ef)./0.026))));
for i=1:length(Et)
i
y(i)=double(int(n,x,1.1,Et(i)));
end
plot(log(y),Et);