<div dir="ltr"><div><div>I would like to use the functions <b>derivative</b> or <b>numdiff</b> to numerically differentiate a tabulated data such as<br><br>x = [0 2 5 20 40 60 80]';//time in minutes <br>y = [0.0956820 0.0480457 0.0277857 0.0036214 0.0002543 0.0002543 0.0001265]';//values of y<br>
<br></div>May I know the best way to determine dy/dx for the data set.<br><br></div>Thank you very much and God bless you<br><div><div><br clear="all"><div><div><div dir="ltr">Samuel Ogbonna Enibe<br>University of Nigeria, Nsukka, Nigeria<br>
Tel: +2348063646798<br>Email: <a href="mailto:samuel.enibe@unn.edu.ng" target="_blank">samuel.enibe@unn.edu.ng</a><br> <a href="mailto:enibesam@yahoo.com" target="_blank">enibesam@yahoo.com</a></div></div>
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