Author Archives: dougaj4

Some multi-cultural songs

The latest concert of the excellent Willoughby Symphony Choir featured a collection of popular and folk songs, rather than their usual classical performances.  I was struck by the mixture of cultural influences in many of the songs, and have collected  a … Continue reading

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Using Section Properties- Group

Following a recent comment I have updated the documentation for finding the section properties of groups of shapes in the Section-Properties-Group spreadsheet.  The revised file can be downloaded from: Section Properties07-Group.zip The screenshots below illustrate use of the Group function to … Continue reading

Posted in Coordinate Geometry, Excel, Maths, Newton, Numerical integration, UDFs, VBA | Tagged , , , , , | 8 Comments

Passing variable argument lists from Excel to Python via xlwings

When calling a Python function it is sometimes necessary to pass a variable number of arguments.  Examples from the xlw_Scipy spreadsheet include: Curve fitting functions, for which the functions to be fitted may have any number of arguments. The Scipy … Continue reading

Posted in Arrays, Excel, Link to Python, NumPy and SciPy, UDFs, VBA, xlwings | Tagged , , , , , , , , | 2 Comments

Two songs = 2/3 Wikipedia

It is said that a picture is worth a 1000 words. On the same basis, a poem is worth 1000 pictures, and a song is worth 1000 poems. So two songs are worth 2 billion words, which is about 2/3 … Continue reading

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New Links – 2018

Some new links to active Excel related blogs: David Hagar has been active in the Excel community for many years, and has published the Excel For You blog since 2013.  I was led to it by a recent post on a UDF … Continue reading

Posted in Computing - general, Excel | Tagged , , , , | Leave a comment