How to get a plot?
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v=dsolve('D2v=-2*Dv-3*v+4*10*sin(5*pi*t)','v(0)=0','Dv(0)=0','t')
how can i get plot(t,v) ???
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Accepted Answer
Ameer Hamza
on 24 Oct 2020
Edited: Ameer Hamza
on 24 Oct 2020
You can use fplot()
syms t v
v = dsolve('D2v=-2*Dv-3*v+4*10*sin(5*pi*t)','v(0)=0','Dv(0)=0','t')
fplot(v)
Also, defining ODEs as string is not recommended. You can define it using symbolic variables as follow
syms v(t)
dv = diff(v, 1);
d2v = diff(v, 2);
eq = d2v == -2*dv-3*v+4*10*sin(5*pi*t);
conds = [v(0) == 0; dv(0)==0];
v = dsolve(eq, conds, t)
fplot(v)
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