PLOT log scale in y cordinate

7 vues (au cours des 30 derniers jours)
Mustafa Alhandhali
Mustafa Alhandhali le 27 Avr 2019
Commenté : Star Strider le 27 Avr 2019
i have this equation and i want ger the relation between Xss and W
-3751474221736597/(2621440*(17179869184*W^2 - 336973579165665))
my code is
syms W
W=0:200:2000;
figure
semilogy(W,Xss)
but this error is appear
Error using semilogy
A numeric or double convertible argument is expected

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Réponses (1)

Star Strider
Star Strider le 27 Avr 2019
Try this (using the fplot function):
syms W
Xss = -3751474221736597/(2621440*(17179869184*W^2 - 336973579165665));
figure
fplot(Xss, [0 2000])
set(gca, 'YScale','log')
  2 commentaires
Mustafa Alhandhali
Mustafa Alhandhali le 27 Avr 2019
i tried
it does not work with me
Error in fplot (line 60)
fun = fcnchk(fun);
Star Strider
Star Strider le 27 Avr 2019
It ran for me as posted without error.
Post your code so I can see what the problem is.

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