Asked by the noob
on 18 Jun 2013

hi, is it possible to derive a fraction? for example: (s+2)/(s^2+7)

thanks.

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Answer by Walter Roberson
on 18 Jun 2013

Accepted answer

You can use the symbolic toolbox. If you need to do it more "by hand" then use the chain rule.

Answer by Azzi Abdelmalek
on 18 Jun 2013

You can also use an approximate derivation of your function:

s=0:0.01:100; y=(s+2)./(s.^2+7); dy=diff(y)./diff(s) plot(s(1:end-1),dy)

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