(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

I need to find a system rise time (from 10% to 90%) using matlab.

Is this code right?

3. The attempt at a solution

Is this seems to be right?Code (Text):sys = tf(num, den);

y= step(sys, t);

tr1 = max(ﬁnd(y<0.1));

tr2 = min(ﬁnd(y>0.9));

rise_time = t(tr2) - t(tr2);

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Find system rise time with matlab

**Physics Forums | Science Articles, Homework Help, Discussion**