Monthly Archives: August 2008

Dog Tessellations

Posted on 31/08/2008 by dougaj4

An intruiging tessellation from a dog with a way with words Also a variety of tessellations from MC Escher. And while we are on tessellations, here is an animated tadpole tessellation posted by the dog’s father (who, strangely, does not seem … Continue reading →

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Solving simultaneous equations

Posted on 27/08/2008 by dougaj4

Solving a series of simultaneous equations is a task frequently required in engineering and scientific analysis.  Excel provides the tools to perform this task quickly and easily, but the procedure is not documented in the on-line help (so far as … Continue reading →

Posted in Arrays, Excel, Maths, UDFs, VBA | Tagged , , , , | 5 Comments

Blackwaterside x 4 and Anne Briggs

Posted on 24/08/2008 by dougaj4

By Anne Briggs and Bert Jansch and the Jimmy Page version of the Bert Jansch version and the Carla Luft version of the Jimmy page version of the Bert Jansch version There is much discussion of whether Page stole his … Continue reading →

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Reinforced Concrete Section Analysis – 5; Ultimate Limit State

Posted on 19/08/2008 by dougaj4

Previous posts in this series have looked at the analysis of beams where the steel stress is within the elastic range, and the concrete stress is sufficiently low that the assumption of linear elastic behaviour in compression is a reasonable approximation.  … Continue reading →

Posted in Beam Bending, Excel, UDFs | Tagged , , , , , , , | 5 Comments

Back to Bassics

Posted on 18/08/2008 by dougaj4

Browsing John Walkenbach’s non-Excel blog : The J-Walk Blog  reminded me that Bach hasn’t had a look in here recently, so here is a clip of one of my all time favourite musicians, Danny Thompson (playing here with John Martyn).  Plug … Continue reading →

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