Category Archives: Arrays

Transferring data with arrays

Posted on 22/03/2010 by dougaj4

The earlier post: Transferring data within VBA looked at some important aspects of transferring data between subroutines in Excel VBA.  This post will look at arrays in particular, and some peculiarities that affect the way they work. VBA arrays are a very … Continue reading →

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The speed of loops

Posted on 07/03/2010 by dougaj4

Commenting on the Good Practice post, John Tolle pointed out that with a collection it was very much quicker to loop using a For each loop than iterating by index, using a for, next loop.  I did some simple tests on this, … Continue reading →

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Using the DMax Function …

Posted on 09/09/2009 by dougaj4

… and an alternative. In this discussion at Eng-Tips I recommended the use of the DMAX() function to extract maximum values from data grouped with different text labels.  In the process I needed to adjust the selection criterion to generate the … Continue reading →

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Extracting data from a 3D range

Posted on 26/08/2009 by dougaj4

I recently needed to extract data from a series of tables on separate worksheets, into a form suitable for plotting on an XY graph.  In Lotus 123 this would be a piece of cake, since the Lotus @INDEX function has … Continue reading →

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Continuous beam with varying stiffness

Posted on 23/08/2009 by dougaj4

Previous Splinebeam post One of my aims in developing the splinebeam function is to carry out non-linear analysis of reinforced concrete beams, allowing for the greatly reduced flexural stiffness of reinforced concrete sections after cracking of the concrete.  To that … Continue reading →

Posted in Arrays, Beam Bending, Excel, Finite Element Analysis, Maths, Newton, UDFs, VBA | Tagged , , , , , , , | 3 Comments