Author Archives: dougaj4

Excel to Alglib via xlwings

Posted on 11/08/2017 by dougaj4

The Alglib library provides many valuable numerical analysis routines, but the VBA version is no longer actively maintained.  The latest versions are available in C++, C#, and Python, of which the Python version (in conjunction with xlwings) provides the easiest interface … Continue reading →

Posted in AlgLib, Curve fitting, Excel, Link to Python, Maths, Newton, Numerical integration, UDFs, VBA, xlwings | Tagged , , , , , , , , , | 12 Comments

Installing xlwings 0.11.4

Posted on 30/07/2017 by dougaj4

The 0.11 versions of xlwings have some major changes to the arrangement of the required files, which will make installation and updating much easier, but for some reason Anaconda is very slow to upload the new versions, and the pdf … Continue reading →

Posted in Excel, Link to Python, VBA, xlwings | Tagged , , | 1 Comment

Using the Frame Analysis Spreadsheets

Posted on 20/07/2017 by dougaj4

Following some recent questions in the comments, here are some answers: How can nodal moments be created? The current versions only allow for forces to be applied to beams, but any point load or moment applied at the start or … Continue reading →

Posted in Excel, Finite Element Analysis, Frame Analysis, Newton, VBA | Tagged , , , , | 2 Comments

Installing Frame4 and 3DFrame

Posted on 17/07/2017 by dougaj4

Following a recent comment I have added a VBA only version to the download files of the frame analysis spreadsheets: 3DFrame.zip Frame4.zip The VBA versions should work on any version of Excel from 2007, with macros enabled, without any further installation. The … Continue reading →

Posted in AlgLib, Excel, Frame Analysis, Link to dll, Newton, VBA | Tagged , , , , , , | 1 Comment

Tam Lin

Posted on 11/07/2017 by dougaj4

Tam Lin is a Scottish folk tale and song dating from 1549 or earlier. It is set at Carterhaugh (not Carter Hall), which is a real place. The song was widely re-interpreted in the British folk revival, most notably by Fairport  … Continue reading →

Posted in Bach | Tagged , , , | 2 Comments