Category Archives: UDFs

Python for VBA users – 1

Posted on 24/09/2013 by dougaj4

Following my recent posts on some preliminary experimentation with linking Excel to Python, this will be the first of a more structured series, mainly as a reminder to myself of lessons learnt on the way, but also I hope of … Continue reading →

Posted in Excel, Link to Python, UDFs, VBA | Tagged , , , , , | 2 Comments

Sorting with Python

Posted on 19/09/2013 by dougaj4

A previous post provided a VBA Sort function that could be used as a User Defined Function (UDF) to provide a sorted list on the spreadsheet, or called from another VBA routine to sort an array. I have just written a … Continue reading →

Posted in Arrays, Excel, Link to Python, UDFs | Tagged , , , , , | 5 Comments

Running VBA routines from a new workbook

Posted on 21/08/2013 by dougaj4

I have had a couple of queries recently which seem to be resulting from trying to run User Defined Functions (UDFs) from a new workbook, so this post will look at the options for using the VBA routines provided here (or … Continue reading →

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

Select and sum data using the scripting dictionary

Posted on 10/08/2013 by dougaj4

Another User Defined Function (UDF) prompted by a query at Eng-Tips. The question concerned a set of data consisting of 13 columns, which was to be divided into two sets, based on the contents of Column 4, then the contents … Continue reading →

Posted in Excel, UDFs, VBA | Tagged , , , , | 2 Comments

EvalA update and examples

Posted on 06/08/2013 by dougaj4

The EvalA User Defined Function (UDF) has been included in the Eval2 and Eval-Integration spreadsheets for some time, but was not documented.  That has now been fixed, and both spreadsheets can be downloaded from Eval2.Zip (including full open-source code). The … Continue reading →

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