Category Archives: Newton

Anathem (review of a book I haven’t read)

Posted on 10/01/2010 by dougaj4

This thread at the Self Service Science Forum http://www2b.abc.net.au/science/k2/stn/newposts/4494/topic4494948.shtm said: “I’ve been reading a bit of Neal Stephenson Sci/Fantasy recently. His bag is to combine philosophy of science concepts with historical/sci fi themes to produce interesing fiction. Think Iain M … Continue reading →

Posted in Newton | Tagged | 1 Comment

Frame4.xls – Update2

Posted on 31/12/2009 by dougaj4

It was recently pointed out to me that the Frame4 spreadsheet was giving an overflow error with a fairly small analysis.  The problem turned out to be that the analysis did not have any restraint specified in the X direction, … Continue reading →

Posted in Excel, Finite Element Analysis, Frame Analysis, Newton, VBA | Tagged , , , | 12 Comments

Just in Time for Christmas!

Posted on 21/12/2009 by dougaj4

The new version of the Australian Standard Concrete Structures Code (AS 3600) has just made it for 2009: Download from SAI Global

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Cubic Spline Update

Posted on 16/12/2009 by dougaj4

The previous post in this series presented a User Defined Function (UDF) to fit  a cubic spline to a series of points defined by XY coordinates.  Each segment of the resulting spline is defined by a separate cubic curve, which may be … Continue reading →

Posted in Coordinate Geometry, Excel, Maths, Newton, UDFs, VBA | Tagged , , , , | 1 Comment

The Ambassadors

Posted on 13/12/2009 by dougaj4

The Ambassadors (1533) is a painting by Hans Holbein the Younger in the National Gallery, London. As well as being a double portrait, the painting contains a still life of several meticulously rendered objects, the meaning of which is the cause … Continue reading →

Posted in Newton | Tagged , , | 1 Comment