Tag Archives: Python

Python for VBA users- 7; Making Python go Faster

Posted on 20/12/2013 by dougaj4

As reported in the previous post in this series, although the compiled routines included in packages such as Numpy, Scipy, and Pysparse are very fast, other parts of the code turned out to be slower than the equivalent in VBA.  … Continue reading →

Posted in Arrays, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, NumPy and SciPy, UDFs, VBA | Tagged , , , , , | Leave a comment

Download update – Python downloads

Posted on 08/12/2013 by dougaj4

Download files related to linking to Python from Excel are to be found in: Python matrix functions in Excel, using Pyxll: Download file: http://interactiveds.com.au/software/Matrixpyxll.zip Python for VBA users – 4; Python data types:  The main Python data types, including numpy arrays, with examples … Continue reading →

Posted in Excel, Link to Python, UDFs, VBA | Tagged , , , , , | Leave a comment

Python for VBA users- 6; Using Pysparse with Excel

Posted on 29/10/2013 by dougaj4

Previous Python Post The analysis of structural frames requires the solution of large sparse matrix systems, which rapidly becomes very time consuming using a VBA based solver, especially for 3D analysis.  I have previously presented versions of my frame analysis … Continue reading →

Posted in Arrays, Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Maths, Newton, NumPy and SciPy, VBA | Tagged , , , , , | 1 Comment

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