Tag Archives: Excel

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

Python for VBA users – 2

Posted on 29/09/2013 by dougaj4

This post will look in more detail at translating the VBA Quadratic function (described in Python for VBA users – 1) into a Python function, linked to Excel via PyXll.  For the purposes of this exercise I created a new Python … Continue reading →

Posted in Excel, Link to Python, NumPy and SciPy, UDFs, VBA | Tagged , , , , , , | 11 Comments

Commenting a block of code in VBA

Posted on 26/09/2013 by dougaj4

One way is to manually place an apostrophe at the start of every line in the block. A much easier way (I just found out today) is: Go to View-Toolbars-Customise Select the Command tab Select the Edit Category on the … Continue reading →

Posted in Excel, VBA | Tagged , , | 9 Comments