im trying to plot this function, y= (exp(1i.*k.*pi./10).*(1-exp(-1i.*k.*2.*pi)))./(20.*(-1+(exp(1i.*k.*pi./10))));
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syms y k
y= (exp(1i.*k.*pi./10).*(1-exp(-1i.*k.*2.*pi)))./(20.*(-1+(exp(1i.*k.*pi./10))));
fplot(y)
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Torsten
el 29 de Dic. de 2021
Does this work ?
syms x y(x)
y(x) = (exp(1i.*x.*pi./10).*(1-exp(-1i.*x.*2.*pi)))./(20.*(-1+(exp(1i.*x.*pi./10))));
fplot(abs(y(x)),[-5 5])
Respuestas (1)
Paul
el 29 de Dic. de 2021
syms y k
y= (exp(1i.*k.*pi./10).*(1-exp(-1i.*k.*2.*pi)))./(20.*(-1+(exp(1i.*k.*pi./10))));
y is complex valued, e.g.
subs(y,k,0.1)
I'm not sure what fplot() tries to do with a complex valued function. But the real questions is what plot is desired. Perhaps the magnitude of y?
fplot(abs(y))
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