# Use trapezoidal method to find the deflection at each measurement point.

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Sean Flanagan on 30 Sep 2022
Edited: Torsten on 1 Oct 2022
Hi,
I have the following 21x2 matrix
I need to use loops and trapezoidal method to find the deflection at each measurement point. By using the trapz command I can find the overall result but I need guidance with how to find the deflection at each measurement point.
Sean Flanagan on 1 Oct 2022
cumtrapz gives me each answer for [f(x0)...f(x20]. Is there a way to write the code to give [f(x0)+f(x1)] = ans, [f(x0)+f(x1)+f(x2)] = ans, [f(x0)+f(x1)+f(x2)+f(x3)] = ans .....[f(x0)+f(x1)....+f(x19)+f(x20)] = ans, using for loops?

James Tursa on 30 Sep 2022
Sounds like you want the cumtrapz( ) function. If the assignment requires you to use loops, just code up the formula found in the trapz( ) doc:
Sean Flanagan on 1 Oct 2022
Thanks mate I must have done something wrong

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