Author Archives: dougaj4

ConBeamU Update

Posted on 17/04/2014 by dougaj4

Recently a comment pointed out that if the ConBeam, or ConBeamU, user defined functions were used with a single span then the “Out” argument was ignored, so it was not possible to return support reactions.  This has now been fixed … Continue reading →

Posted in Beam Bending, Excel, Frame Analysis, Newton, UDFs, VBA | Tagged , , , | 18 Comments

“Yields circularity when preceded by its quotation” …

Posted on 15/04/2014 by dougaj4

yields circularity when preceded by its quotation. Today’s post takes us on a little circular tour of the internet, starting with: Grumpy Old Programmer (Mike Woodhouse) who returns from a long holiday from blogging to publish a nice little routine … Continue reading →

Posted in Computing - general, Drawing, Newton | Tagged , , , , , | Leave a comment

Extracting numbers with regular expressions

Posted on 12/04/2014 by dougaj4

Shortly after I wrote about extracting numbers from text strings, Winston Snyder at dataprose.org wrote a detailed article about using “regular expressions” to separate text from numbers in any string.  I have adapted his routine for the same purpose as … Continue reading →

Posted in Excel, UDFs, VBA | Tagged , , , , | 19 Comments

Dynamic sorting with Excel, VBA, and Python

Posted on 31/03/2014 by dougaj4

A spreadsheet with User Defined Functions (UDFs) to dynamically sort a range of data has previously been presented here and here. I have now modified the Python version of the UDF for improved functionality, added a second Python function, and … Continue reading →

Posted in Excel, Link to Python, NumPy and SciPy, UDFs, VBA | Tagged , , , , , | 1 Comment

Salthouse

Posted on 26/03/2014 by dougaj4

To show a bit of Southern Hemisphere solidarity with Jeff Weir (who has been getting a bit of flack for having the temerity to discuss non-Excel matters on an Excel blog), I’m bringing forward my next Bach instalment. This post … Continue reading →

Posted in Bach | Tagged , | 1 Comment