Trying to plot symbolic function

Question

random1072 2021-2-8

0
链接

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https://ww2.mathworks.cn/matlabcentral/answers/739577-trying-to-plot-symbolic-function

回答： Star Strider 2021-2-8

I am trying to plot (E_2/E_m) vs V_f which I have denoted (E_2/E_m) as y_1 in my code. The range for V_f should be from 0 to 1. Can someone please help me with plotting the symoblic constant V_f vs (E_2/E_m), it would be greatly appreciated. Attatched is im age of my code and my code underneith it.

E_2f = 14.8;

E_m = 3.45;

v_m = 0.36

%Vm = 1 - Vf

syms V_f

E_2 = ((E_2f)*(E_m))./((V_f)*(E_m)+(1-V_f)*(E_2f));

y_1 = E_2/E_m;

figure(1);

hold on;