Category Archives: Excel

Passing variable argument lists from Excel to Python via xlwings

Posted on 08/06/2018 by dougaj4

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

New Links – 2018

Posted on 03/06/2018 by dougaj4

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

Returning Arrays From VBA and Python

Posted on 01/06/2018 by dougaj4

Most  of the  user defined functions (UDFs) presented on this blog return a multi-cell array, that must be entered by selecting the output range then pressing Ctrl-shift-enter to display all the results.  This process has several inconveniencies: You need to know … Continue reading →

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

More Numpy with Excel and xlwings

Posted on 24/05/2018 by dougaj4

The spreadsheet presented in the last post on sorting also includes links to many other Numpy functions.  The spreadsheet and associated Python file can be downloaded from: xlNumpy.zip The Numpy functions require xlwings and Numpy to be installed, which are included in … Continue reading →

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

Office Insiders and Power Pivot

Posted on 20/05/2018 by dougaj4

I recently discovered another benefit of the Office Insiders program through the ExcelUnplugged blog, which has a feature on the new linked data types in Excel.  More on those another day, but in addition to JavaScript UDFs, the added feature that I found to … Continue reading →

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