How can i set (f) = (-60/(s^2+5s+48.5))?

2015 3 30
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更新时间：2015 3 30
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How can i set (f) = (-60/(s^2+5s+48.5))? but i keep getting the error. Can someone show me the correct code for this one?

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Youssef Khmou
Youssef Khmou 2015-3-30

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Element wise operation fixes the error :
f=-60./(s.^2+5*s+48.5);

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Ersheid AL Noaimi
Ersheid AL Noaimi 2015-3-30
it should be like this though. i am getting a different answer.
Stephen23
Stephen23 2015-3-30
@Ersheid AL Noaimi: Youssef Khmou has given you the correct code for this equation. What is the problem now? Are you getting an error message? If so, what exactly?

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