Author Archives: dougaj4

More new old recordings

Posted on 29/06/2023 by dougaj4

There have been quite a few old Pentangle and Bert Jansch recordings posted on YouTube in recent months. BBC The Genius of Bert Jansch Folk Blues and Beyond, from 2014. Interviews and archive footage weave together performances from a concert … Continue reading →

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Calculating and plotting rotations

Posted on 19/06/2023 by dougaj4

This post was prompted by a recent post at Eng-Tips. The original problem seemed simple enough: Im trying to wirte a formula where I imput vessel heading and datum bore heading and it tells me FWD, STBD, AFT or PORT … Continue reading →

Posted in Coordinate Geometry, Drawing, Excel, Maths, Newton, VBA | Tagged , , , , , , | Leave a 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

EngineeringPaper.xyz

Posted on 12/06/2023 by dougaj4

EngineeringPaper.xyz is a web app for engineering applications with free open-source code: EngineeringPaper.xyz is a web app for engineering calculations that handles unit conversion/checking automatically and also supports plotting, solving systems of equations, and documenting your calculations (see the official blog for … Continue reading →

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Pete Brown

Posted on 02/06/2023 by dougaj4

Peter Ronald Brown (25 December 1940 – 19 May 2023) was an English performance poet, lyricist, and singer best known for his collaborations with Cream and Jack Bruce. https://en.m.wikipedia.org/wiki/Pete_Brown I spent my last year of high school in England as a boarder, and the “upper … Continue reading →

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