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Jed Ludlow
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Jed Ludlow

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My code for the Utah Data Competition 2014 is available on Github!
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Jed Ludlow

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Getting IPython rmagic to Work on Windows
After updating to IPython 2.0, I decided to get rmagic  working on a Windows 8.1 install. These instructions should probably work with IPyhon 1.X, too, although I have not tried. R on Windows Behind the scenes, rmagic  assumes that a working version of R is...
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Irrigation System Performance Measurement on the Cheap
What began as a simple exercise in turning on the irrigation water to the yard culminated in an hour of yak shaving  in which I actually measured the performance of my sprinklers. The well-meaning people at my City Hall had sent out an informative flyer ear...
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Thanks to Car Talk, I was treated to a brief walk down memory lane this morning.
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That's too cool.  I love listening to that show too, those guys are brilliant and funny.
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Here's a quick IPython notebook gist about FFTs in Python. Ironically, most tutorials don't describe how to scale and format the FFT output so that sinusoidal amplitudes are correctly displayed. Somet...
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I plan to switch to octopress as soon as I have a chance, to short-circuit that issue so that pushing to the git repo is the same as publishing the post.
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I believe "expense" is probably the key word :)
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True....true.
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Jed Ludlow

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Who was Harold Black?
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Jed Ludlow

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Getting IPython rmagic to Work on Windows
After updating to IPython 2.0, I decided to get rmagic  working on a Windows 8.1 install. These instructions should probably work with IPyhon 1.X, too, although I have not tried. R on Windows Behind the scenes, rmagic  assumes that a working version of R is...
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Awesome all around: lyrics, performance, everything.
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More upgrades to the pipeline flow calculator. I've added a few more units to the pressure and volume flow rate inputs, and I've included additional documentation for those interested in details about the gas velocity computation.
Pipeline Flow Calculator Documentation. For many pipeline applications, it is useful to estimate the velocity of the high pressure gas that flows through the line. Since pipeline flow rates are genera...
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Major update to the pipeline flow calculator! And a Google+ page to go with it!
Pipeline Flow Calculator. Estimates pipeline gas speed at specified conditions. Inputs. Pipeline Product. Methane, Air, Nitrogen. Pipe Outer Diameter. in, mm. Pipe Wall Thickness. in, mm. Pressure. ps...
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A Russian college professor at UC San Diego beat a traffic ticket using the laws of mathematics and physics. He cast doubt on cop's testimony by writing a four-page scientific paper debunking the cop'...
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In his circles
104 people
Have him in circles
65 people
Paul Dalfonso's profile photo
James Davis's profile photo
Stu Wilde's profile photo
Brad M.'s profile photo
Jonathan Tate's profile photo
John Dickey's profile photo
Mike Gibson's profile photo
Joseph Richards's profile photo
Richard Dayhuff's profile photo
Basic Information
Gender
Male
Work
Occupation
Multidisciplinary Engineer, Data Scientist
Skills
Scientific computing (scientific Python stack, C++, R, MATLAB), mathematical modeling, statistics, magnetics (permanent and electromagnetic), dynamic systems and control, mechanical design, sensors, embedded systems