Category Archives: mathematics

blending curves

Posted on Sunday, 2011 July 10 by Anton

I made some progress on an old project: to make outline fonts based on some favorite old bitmap fonts, by automatic fitting of smooth curves to the sequences of dots. (The image above is in Scalable Vector Graphic format. If … Continue reading →

Posted in curve-fitting | 6 Comments

hi Wendy

Posted on Wednesday, 2011 March 02 by Anton

My newest incoming link is from Wendy Krieger, whose site you should definitely see if you’re interested in polytopes, duodecimalism or the letter Þ.

Posted in language, mathematics | 1 Comment

i got tired of looking at grey ribbons

Posted on Monday, 2011 February 21 by Anton
Posted in eye-candy, mathematics | Leave a comment

more chainmail

Posted on Saturday, 2011 February 12 by Anton

This image, which I made a few years ago, is based on a tiling of the hyperbolic plane with triangles whose angles are π/2, π/3, π/7. Other than the 7, which can be changed to any higher integer, I couldn’t … Continue reading →

Posted in eye-candy, mathematics | 1 Comment

more hyperbolic stuff

Posted on Tuesday, 2011 January 25 by Anton

I put a series of tilings of the hyperbolic plane on Wikimedia Commons.

Posted in mathematics | Leave a comment

toward a graceful imitation of the crude

Posted on Friday, 2010 October 15 by Anton

I’ve long had an idea to design “outline” typefaces which, at appropriate low resolution, would mimic certain bitmap fonts that have sentimental resonance. The orange discs are the original dots, of course. The blue arcs are least-squares fits (linear, quadratic) … Continue reading →

Posted in curve-fitting | Tagged , | 3 Comments

to save some integrating

Posted on Saturday, 2010 September 04 by Anton

For my own future reference, in case I lose the bit of paper on which I jotted it. In a function of period 2π, a unit step discontinuity in the nth derivative at phase α contributes this to the Fourier … Continue reading →

Posted in mathematics | 3 Comments