how could i plot x^2+(y-x^3/2)^2=1 ?

m=(x^2+(y-x^3/2)^2==1)

plot(m)

grid on

Answer 1

[Star Strider]

Perhaps this —

syms x y 
m(x,y) = (x^2+(y-x^3/2)^2-1);

figure
fimplicit(m, [-1 1  -1 1]*1.5)
grid
axis('equal')
xlabel('X')
ylabel('Y')

.

Answer 2

[Torsten]

fun = @(x,y)x.^2+(y-x.^3/2).^2-1;
fimplicit(fun)