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Author Archives: dougaj4
More Pointed Arches
Visiting England’s New Forest region recently reminded me of the old bridge at Fordingbridge: The gothic arches of this bridge bear a striking resemblance to the Admiral’s Bridge at Palermo, featured in the previous post, which made me wonder if … Continue reading
Posted in Arch structures, Newton
Tagged Fordingbridge, Gothic arch bridges, Norman structures, Salisbury
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An old bridge in Palermo and pointed arches
The Ponte dell’ Ammiraglio (Admiral’s Bridge) in Palermo, Sicily, built from 1125-1135 (or 1113, according to the Italian Wikipedia), is one of the oldest surviving post-Roman era arch bridges in Europe. The bridge has been restored and surrounded by a … Continue reading
Posted in Arch structures, Historic Bridges, Newton
Tagged Admiral's Bridge, arch forms, old arch bridges, Palermo, Ponte dell' Ammiraglio
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ExcelPython2, Alglib and Spline-Matrix Rel 2.03
Following a comment here: ExcelPython2, Alglib and Spline-Matrix update I have updated the VBA and Python code, and added a missing Python module to the download zip file. See the earlier post for details of installation and use, or download the revised files … Continue reading
Posted in AlgLib, Excel, Link to Python, Maths, Newton, Numerical integration, NumPy and SciPy, UDFs, VBA
Tagged AlgLib, Excel, ExcelPython, Python, Spline-Matrix, UDF, VBA
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Waterspout off Taormina
Staying at the Sicilian resort town of Taormina, I have just observed the waterspout shown below: Read all about waterspouts at Wikipedia.
Bruton Town – A very old story
Bruton Town is an English Folk song featured on The Pentangle’s first album (the first LP I ever bought). It tells the story of a young woman whose lover is murdered by her two brothers, because they do not think … Continue reading
Posted in Bach
Tagged Boccaccio, Bruton Town, Decameron, English Folk song, Giovanni Boccaccio, The Pentangle
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