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Dreaming of a Magnetic Field
My "plot" of the magnetic field of a current loop!
Background on my blog:
Do you feel the magnetic field? Do you dream of of it? I sure do! … having completed this project: Dreaming of a Magnetic Field by elkement
Prints on INPRNT - https://www.inprnt.com/gallery/elkement/ - six different color combinations, e.g.
This is a gallery-quality giclée art print on 100% cotton rag archival paper, printed with archival inks.
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I am just playing with the magnetic field of a humble current loop :)
Both the calculation of the field (using Biot-Savart's Law) and the flow lines are done numerically - so this has maxed out my hardware :)
Work in progress, I have not decided how I will finally render these lines!
From the series Elliptical elkement, 2021. Created with SageMath and custom code.
Stereographic projection: The circle on the sphere is projected onto a circle in the plane. Both circles lie on an elliptical cone.
I once found about the elliptical cone, when I proved for myself that circles are projected onto circles:
Using stereographic projection, you create a distorted image of the surface of a sphere, stretched out to cover an infinite plane. Each poin
From the series Elliptical elkement, 2021. Created with SageMath and custom code
Stereographic projection: The circle on the sphere is projected onto a circle in the plane. Both circle lie on an elliptical cone.
Lol. #saturday Can you spot the CBD local cluster?!🤓😜#gitSum #github #SocialNetworkAnalysis #DCTech #dataviz #DataVizDC #python #datascience @datascihub #jupyter #numpy #SciPy #rstats #rbloggers #SageMath (at Manassas Park, Virginia)
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SageMath
Padahal cuma beberapa baris, mikirnya 2 jam. Belum selesai pula.
sagemanifolds 0.5 installation troubles (that I'm having) Mac OS X Mavericks setup
sagemanifolds 0.5 installation troubles (that I'm having) Mac OS X Mavericks setup Here's what I wrote to the authors of sagemanifolds, Bejger and Gourgoulhon; also if anyone is really interested, I can email you the Terminal Output I had, just leave a message on tumblr with your email: Hi Bejger and Gourgoulhon, Thank you for your quick replies! Yes, I have, in all cases, been typing in the directory where Sage is installed. I check the directory with ./sage -root and pwd The Terminal Outputs which I will include in this email are long and understandably I wouldn't expect anyone to read through it, but I'll copy and paste some snippets from them in this email. So for instance, I know where the sage math root is this way: -rw-r--r--@ 1 ernestyeung staff 3630 Sep 8 16:26 sm-install-macos-bsd.sh Chuns-MacBook-Pro:Downloads ernestyeung$ cd /Applications/Sage-6.3.app/Contents/Resources/sage Chuns-MacBook-Pro:sage ernestyeung$ pwd /Applications/Sage-6.3.app/Contents/Resources/sage Chuns-MacBook-Pro:sage ernestyeung$ ./sage -root /Applications/Sage-6.3.app/Contents/Resources/sage In Terminal Saved Output sm2, I try sudo ... as well: Chuns-MacBook-Pro:sage ernestyeung$ sudo bash sm-install-macos-bsd.sh But essentially I get the same errors during installation, as with simply using bash sm-install-macos-bsd.sh sdk / -find as 2> /dev/null as: error: unable to find utility "as", not a developer tool or in PATH error: command 'gcc' failed with exit status 1 Now in both of these cases, I do this on the install of Sage 6.3 where I just drag the icon into my Application folder (all done in root). Also, on 2 different Macs, but with Mavericks on both, I have XCode 5 installed, along with the command line tools, and Mac ports for gsed. I tried a sage install from source, but I'm having trouble there as well (Terminal Saved Output sage1). Thanks for your time, I don't have any trouble with sagemanifolds 0.4, so I'll use that in the mean time, although I appreciate that 0.5 is a major update with your tensor module. There aren't anything else I could think of to try, so I'm going to have to do other stuff. Thanks again, -Ernest Yeung.
