Flip Phillips

Psychology & Neuroscience

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A day of problem solving pictures.

Posted on Jun 17, 2014 in IOTD, Programming, Science

One of the things I love about using Mathematica is that it helps me better understand the nature of my programming and problem solving. It’s a great tool to help make sense of problems, see your errors, verify and validate your computations. Here is a set of 26 images from today’s efforts to solve a particular problem of differential geometry...

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NewGlaven

Posted on Jun 3, 2014 in IOTD, Object Database, Programming, Science

Back in 1987 I wrote some code for generating ‘noisy objects’. I cleaned up that code over the years, enhanced some calculations, played with new Mathematica features. Now I’ve got stuff that looks like this. I’ll put a reference to the paper on these things here soon....

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Recurrence, heat maps, trajectories and fixations

Posted on May 5, 2014 in IOTD, Programming, Science

More analysis from Dave Jacobs’ eye tracking project. We wrote all the analysis code ourselves in Mathematica. There’s a bug in the heat map compositing, but I shall procrastinate a solution soon. Lifted largely from Eye Tracking: A comprehensive guide to methods and measures. We used some ideas from Anderson’s paper on recurrence,...

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Marroquin patterns

Posted on Mar 25, 2014 in IOTD, Programming, Science

I notice that I seem to generate a lot of images while doing analysis, largely using Wolfram Research’s Mathematica… so, maybe every day I should post one of those images here- an image of something I’m working on, an “Image of the Day” (IotD) or some such. This is a “Marroquin Pattern” used by, amazingly enough,...

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