Author Archives: dougaj4

Making Finite Element Analysis go faster …

Posted on 27/06/2021 by dougaj4

… with Numba and Scipy sparse matrix functions. As promised in the previous post in this series, I will be looking at speeding up the formation and solving of matrix functions for the analysis of structural frames, using Excel and … Continue reading →

Posted in Arrays, Excel, Finite Element Analysis, Frame Analysis, Link to Python, NumPy and SciPy, PyXLL | Tagged , , , , , , , , | 4 Comments

A Very Short Article

Posted on 15/06/2021 by dougaj4

I have previously written of Boris Peon’s very short proof that Hinchcliffe’s Rule is true (but only if it is false): Is Hinchliffe’s Rule True? … I have now been told of an even shorter scientific paper, which can be found … Continue reading →

Posted in Newton | Tagged , , | Leave a comment

Downloading with Chrome

Posted on 11/06/2021 by dougaj4

I recently discovered (via a helpful comment) that clicking on any download link on this blog, when using Chrome, raised a message saying: The site ahead contains harmful programs I have now managed to get Google to agree that there … Continue reading →

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

Amadou Suso

Posted on 08/06/2021 by dougaj4

Seen on Spicks and Specks on Sunday night, Amadou Suso plays the kora, and is based in Melbourne: 800 years of music in one busker

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Using Numba with Excel and pyxll …

Posted on 30/05/2021 by dougaj4

… and a Numpy trap. I last looked at using the just-in-time compiler Numba with Python some time ago (Two Timers), but I was prompted to take another look by an article in Medium that claimed Python Can Be Faster … Continue reading →

Posted in Arrays, Excel, Link to Python, NumPy and SciPy, PyXLL, UDFs, VBA | Tagged , , , , , , , | 2 Comments