Author Archives: dougaj4

All about dictionaries

Posted on 24/10/2013 by dougaj4

A couple of links to sites with comprehensive information on using the scripting dictionary object, found via Daily Dose of Excel: VBA for smarties I. What is a dictionary ? A dictionary in VBA is a collectionobject: you can store … Continue reading →

Posted in Excel, VBA | Tagged , , | 3 Comments

Python for VBA users – 5; Using built in numpy functions

Posted on 13/10/2013 by dougaj4

Previous Python Post In previous posts in this series I have looked at translating VBA functions to solve quadratic and cubic equations, but the Python numpy library has a polyroots function that will solve polynomials of any degree, and will … Continue reading →

Posted in Arrays, Excel, Link to Python, Maths, Newton, NumPy and SciPy, UDFs, VBA | Tagged , , , , , , , , , , , | 5 Comments

Python for VBA users – 4; Python data types

Posted on 05/10/2013 by dougaj4

Previous Python Post The basic range of data types in Python is quite simple, but by the time we have added additional types used in the numpy package, and translation of Excel data types into the Python equivalent the picture … Continue reading →

Posted in Arrays, Excel, Link to Python, NumPy and SciPy, UDFs, VBA | Tagged , , , , , , , | 5 Comments

Python for VBA users – 3

Posted on 01/10/2013 by dougaj4

In the previous post in this series I looked at translating a routine to solve quadratic equations from VBA to Python.  Using the same process I have also created Python code to solve Cubic equations.  The only added difficulty for the … Continue reading →

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

Unchained Unchained Melodies and Unchained Guitars

Posted on 01/10/2013 by dougaj4

The Telescoper has a link to a short YouTube clip of the original and excellent version of The Unchained Melody (subsequently made famous by the Righteous Brothers), which led me to a slightly less conventional version: And at the suggested links at the … Continue reading →

Posted in Bach | Tagged , , , | 1 Comment