If Y is a vector, the plot contains one curve. area fills the area between the curve and the horizontal axis. If Y is a matrix, the plot contains one curve for each column in Y. area fills the …

Jun 11, 2021 · Assuming you want the area under the curve between two values of x (the "specific points" in your questions), here's what I put together using test data. The area under the curve …

Jul 9, 2019 · Hello! how con i calculate the area under the curve above? i would also like to calculate portions of that area.

Oct 8, 2021 · I imported a set of data into matlab and have plotted the curve. However, I do not know how to use trapz to find the area under the curve.

May 14, 2020 · I have a reading curve from some experimental observations. I want to calculate the area under the curve - between customized X and Y values. I want it in between X= [ …

Mar 1, 2024 · I am trying to calculate the area under the curve, but it is returning negative numbers because my y-axis is partially 0. Using the absolue value inflates my actual area …

This MATLAB function returns the area under the ROC (receiver operating characteristic) curve.

Jul 17, 2023 · You can use trapz function inside MATLAB for this task. It will perform the integration taking the intersection points and will give you the area under the curve.

Sep 9, 2014 · and I want to know the area under the curve generated in the graph, how would I do that? There is no function involved here, this is just raw data, so I know I can't use quad or any …

Jul 27, 2025 · Takes 4 scalor inputs: Area_under_the_curve (Lower limit, Upperlimit, Coeff_a, Coeff_b) customize quadratic equation with a and b coefficents. Accounts for negative area …