Category Archives: Link to dll

Numpy where and split, and py_Numpy update

Posted on 30/09/2025 by dougaj4

The py_Numpy spreadsheet and associated code has been updated, with two new functions, links to the Numpy on-line help updated, and updates to sorting and polynomial functions. The updated code and spreadsheet can be downloaded from: Updated Numpy files included … Continue reading →

Posted in Arrays, Excel, Link to dll, Link to Python, PyXLL, UDFs | Tagged , , , , , , | 1 Comment

Download Problems

Posted on 19/03/2024 by dougaj4

Update 24th March 2024: The certificate problem has now been fixed, and most download links should now work without a problem. Note that any file with VBA code (which is almost all of them) will have the VBA blocked with … Continue reading →

Posted in Computing - general, Excel, Link to dll, Link to Python, Python Pandas, PyXLL, UDFs, VBA | Tagged , | 1 Comment

Speed of Scipy Linear Algebra Solvers

Posted on 14/06/2023 by dougaj4

The files presented in the recent post on Scipy Linear Algebra Solvers include a wide range of different solver types, with in some cases numerous sub-options, allowing the functions to be called from Excel, and greatly extending and speeding up … Continue reading →

Posted in Arrays, Excel, Finite Element Analysis, Frame Analysis, Link to dll, Link to Python, Newton, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , | 2 Comments

Removing Add-ins

Posted on 05/06/2022 by dougaj4

Recently I had problems with an Excel Add-in that was still trying to run, and generating error messages, even after being removed from the add-in list and uninstalled. After much searching and trying suggested methods that didn’t work, I finally … Continue reading →

Posted in Computing - general, Excel, Link to dll, Link to Python, VBA | Tagged , , , , , , | Leave a comment

Using Excel with Python and ctypes

Posted on 05/10/2020 by dougaj4

The Strand7 API provides an interface between the Strand7 Finite Element Analysis program and external software. It works with many different languages, including Python, which uses ctypes to transfer data to and from the API functions. It is essential that … Continue reading →

Posted in Beam Bending, Excel, Link to dll, Link to Python, NumPy and SciPy, PyXLL, Strand7, UDFs | Tagged , , , , , | Leave a comment