The area of a surface or lamina is the amount of material needed to "cover" it completely. The area of a surface or collection of surfaces bounding a solid is called, not surprisingly, the surface area. The area of a region can be computed in the Wolfram Language using Area[reg]. A triangle area is given by A_Delta=1/2lh, (1) where l is the base length and h is the height, or by Heron's ...Can someone help me with the expression to calculate Area Under the Curve using this form (NCY2 + NCY1) / 2*(NCX2-NCX1), as a calculated column?I am using the data below and have calculated the normalized cumulative sum of VarX (NCX) and VarY (NCY) and I would like to calculated the AUC below the curves NCX vs. NCY, for each Pump.There are a couple of issues:1. Jan 17, 2020 · For this portion, the curve EF is getting quite close to the straight line segment EF. For this zoomed-in section, we have: curved length EF `= r ≈ int_a^bsqrt(1^2+0.57^2)=1.15` Of course, the real curved length is slightly more than 1.15. Let's generalise this. General Form of the Length of a Curve Jul 01, 2010 · Subject: [R] Calculate area under a curve Hi, I want to know the area under a curve, which is not given as a function, but as values in a time series. It is not a smooth curve, but switches often between positive values and zero (the values describe the moisture in the soil over a year, one entry is one day). I already tried area.between.curves ... The region under this curve is broken into triangular pieces by extending the segments to the