Category Archives: VBA

Update to AL-Spline-Matrix

Posted on 28/11/2017 by dougaj4

The AL-Spline-Matrix spreadsheet contains a large number of VBA user defined functions (UDFs) performing spline fitting and matrix operations, using the free and open source ALGLIB library. It was recently pointed out that the Excel interface code for the CSplineFitCW1da … Continue reading →

Posted in AlgLib, Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , , | 1 Comment

Composite Beam Spreadsheet Update 1.01

Posted on 04/11/2017 by dougaj4

Following a comment here, I have modified the Composite Beam spreadsheet to correct the stage 1 stresses forces in the reinforcement as listed in Columns 6 and 7, when the tensile face is the top.  The output has also been … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , | 3 Comments

Tables and VBA

Posted on 25/10/2017 by dougaj4

I don’t use Excel Tables much, and not at all from VBA (where they are known as ListObjects), but that should probably change, so here are four links with comprehensive help on using Tables from VBA: The Spreadsheet Guru- VBA … Continue reading →

Posted in Arrays, Excel, VBA | Tagged , , , , | 5 Comments

Using Flash Fill

Posted on 14/10/2017 by dougaj4

There have been several posts here on using functions or user defined functions (UDFs) to extract text or numbers from a longer string (most recently, here), but for many purposes it is quicker and easier to use the “flash-fill” feature, … Continue reading →

Posted in Excel, UDFs, VBA | Tagged , , , | 1 Comment

Working with implied units – update

Posted on 30/09/2017 by dougaj4

Following comments at Eng-Tips I have added two examples with different procedures for evaluating ACI equations for the flexural tensile strength of concrete here.

Posted in Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , , , , , , , , | Leave a comment