How to calculate the sum of December, January, February seperately: Also, there is a Name column with multiple values, For example: abc, xyy. So Even if I select multiple values, abc and xyz from the slicer for the January month, The total value should be = Sum of all Jan...
The order of these objects has regularities but it would be easier for me, if I could define the order to know that object 5 is the fifth object in array 1. Why do I need to know the order of objects? For example to define subdomain conditions or to calculate results for a certain ...
Calculate the wall width. Rock wall width should always be 2/3 of the wall height. Use this formula to calculate the wall width: Y = 2/3X; where X = wall height, Y = wall width; For example, if a rock wall is 3 feet high, the width should be 3 x 2/3 (or .666) = 2 fe...
An algorithm was proposed to calculate the opening effectiveness of natural ventilation by Nääs et al. [37]: ϕ = AEVw/2. (9) 2.2.2. Displacement Ventilation The wind-induced ventilation rate of greenhouses with side and roof vents (Figure 1 (displacement ventilation)) can be ...