how can i plot this equation?

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jameslk 2021-6-16

评论： jameslk 2021-6-16

syms x y

x=linspace(-4,4);

f =@(x,y) y^3+0.2*exp(-1*x^2)*y^2-2.2039*y^2+0.8155 == 0;

plot(x,y)

x is between -4 and 4

y^3+0.2*exp(-1*x^2)*y^2-2.2039*y^2+0.8155 =0

how can I plot this equation please help me

VBBV 2021-6-16

%if tr
  syms x y
f = y^3+0.2*exp(-1*x^2)*y^2-2.2039*y^2+0.8155 == 0;
fimplicit(f,[-4 4])

jameslk 2021-6-16

thanks for your pleasure

but can i get y value which correspond to x and then plot (x,y)??

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