Category Archives: UDFs

Unit aware continuous beam spreadsheet update

Posted on 22/11/2013 by dougaj4

The ConbeamU spreadsheet provides Excel user defined functions (UDFs) for the analysis of continuous and simply supported beams and cantilevers using Macaulay’s method.  It allows complex combinations of any number of partial distributed loads, point loads and moments, with changes … Continue reading →

Posted in Beam Bending, Excel, Frame Analysis, Newton, UDFs, VBA | Tagged , , , , , , , | 1 Comment

Selecting Ranges from a UDF

Posted on 20/11/2013 by dougaj4

In the process of tidying up the ConBeamU spreadsheet (which will be posted here in the next few days) I decided to revise the routine for converting input ranges to arrays.  The input for the continuous beam analysis functions consists … Continue reading →

Posted in Excel, UDFs | 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