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draw orthogonal trajectories of differential equation

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Brenda Galabe
Brenda Galabe 2018-12-12
equation is
dy/dx = -d*x/e*y
syms y(x)
a=2;
b=3;
c=5;
d= 5;
e = 8;
ode = diff(y,x) == (-d*x)/(e*y);
ysol = vpa(dsolve(ode));
ezplot(ysol(1))
hold on
ezplot(ysol(2))
ezplot(ysol(3))
getting this error
index exceeds matrix dimensions.
Error in sym/subsref (line 776)
R_tilde = builtin('subsref',L_tilde,Idx);

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