Author Archives: dougaj4

py_Numpy update and using Numba

The py_Numpy spreadsheet presented at Calling Numpy polynomial functions from Excel has had a minor upgrade to the py_Polyfit function, which was previously returning an error message if the optional “full” argument was set to False. The new version can be … Continue reading

Posted in Curve fitting, Excel, Link to Python, Newton, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , , | Leave a comment

Two views on VBA

First from Microsoft: Microsoft are continuing their quest to make downloading spreadsheets with macros ever more difficult, and now any downloaded spreadsheet has VBA code disabled by default. Unblocking the code (if you know and trust the source of the … Continue reading

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

Indexing pdf files – update

My Windows search function recently once again stopped indexing pdf files, probably associated with an upgrade to Windows 11. Previously this was fixed by downloading the file PDFFilter64Setup.msi from the Adobe site, but that download no longer works, and there … Continue reading

Posted in Computing - general | Tagged , , , , | Leave a comment

More long numbers with Python

In A not so easy problem I looked at using Python with Excel (via pyxll) to work with very long integers, using the MPMath package. For high precision calculations involving decimal values MPMath is required, but for simple operations entirely … Continue reading

Posted in Excel, Link to Python, Maths, Newton, PyXLL, UDFs | Tagged , , , , , | 1 Comment

ULS Design Functions – Python version

I have now converted my ULS Design Functions spreadsheet (last presented here) to Python. The new spreadsheet and open source Python code can be downloaded from: py_ULS Design Functions The spreadsheet has the same functionality as the VBA version, providing … Continue reading

Posted in Beam Bending, Concrete, Excel, Link to Python, Newton, PyXLL, UDFs | Tagged , , , , , , , , , , , , | 3 Comments