23,737 reputation
42672
bio website none
location Ann Arbor, MI
age 77
visits member for 2 years, 5 months
seen 15 hours ago

I am a retired software developer. I retired at the end of 2003 and since then my computer programming activities have been for recreational purposes. My main reason for joining StackExchange is to participate in Mathematica.SE. I enjoy answering question when I can, but I also enjoy working at making the site a better place to visit.

I started using Mathematica in 1997 (Ver. 3). I am currently using Ver. 10.0.2. Although I have used Mathematica for all kinds of stuff, I use it mostly to pursue my long standing interest in Euclidean geometry, both in the classical Greek synthetic form and in the more modern analytical form.


Oct
15
reviewed Leave Open Help recreating a gif
Oct
15
reviewed Leave Open What does this Append expression do?
Oct
15
revised What does this Append expression do?
Major clean-up
Oct
15
comment Transform Dataset so it can be used as training set for Classify
And what is the source of the iris dataset? It's not available from ExampleData["Dataset"].
Oct
15
reviewed Reviewed Cluster a time series by labels
Oct
15
revised Cluster a time series by labels
Improved formatting
Oct
15
revised Plotting/Visualization in Workbench?
Made English more idiomatic
Oct
15
revised Export::nodta: error on attempting to export a Graphics3D as an .STL file
Improved formatting
Oct
15
comment What's the complete list of file name extensions used by Mathematica?
@qazwsx. I have not encountered .wlt files. In V10, a testing notebook template was introduced to support testing, but such files are just .nb files. However, such files might make testing files with a different extension unnecessary and perhaps deprecated.
Oct
15
answered What's the complete list of file name extensions used by Mathematica?
Oct
15
revised Solve and Reduce with Log finding unexpected root
Routine clean-up
Oct
15
revised Solve and Reduce with Log finding unexpected root
edited tags
Oct
14
revised On plotting the Weibull distribution
Major clean-up
Oct
14
revised Suppress extrapolation of interpolating function in a ContourPlot
edited title
Oct
14
reviewed Reviewed Annoying FrontEnd bugs in Mathematica 10
Oct
14
revised Finding the area bounded by a logspiral curve and two straight lines
Minor clean-up
Oct
14
revised How can we plot the complex roots of an equation?
Minor clean-up
Oct
14
revised Joining two lists with diverse properties
Made English somewhat more idiomatic
Oct
14
reviewed Leave Open Replacing columns of a matrix with zeros
Oct
14
reviewed Reviewed Trouble definining a function to use only certain heads