Monday, April 2, 2012

Little Old Man (2) (小老人 2)

Although this picture looks like a curve plot, it is not a curve plot.
It is a part of the graph of an inequality ( fun(x,y) <= 0 ).


The original graph of fun(x,y) <= 0.


( Mathematical software used: UDAV )

Related posts:

Friday, February 24, 2012

Spiroface

(4 rolling circles)

(4 rolling circles)


( Mathematical software used: GeoGebra )

Monday, February 13, 2012

Saturday, February 4, 2012

Making Love ♥


Linear Combination of Spirographs
(Hypotrochoid and Epitrochoid)










( Mathematical software used: GeoGebra )

Friday, January 27, 2012

Fractal Spirograph (Fractal Roulette) (碎形旋輪線)


( Click on the image for a larger view. )



( Click on the image for a larger view. )



( Click on the image for a larger view. )



( Click on the image for a larger view. )



( Click on the image for a larger view. )



( Click on the image for a larger view. )



( Click on the image for a larger view. )



( Click on the image for a larger view. )


(A few images of successive zooming in on the small region are shown below.)



( Click on the image for a larger view. )


( Mathematical softwares used: GeoGebra, gnuplot )


Related posts:

Sun Ghost (太陽鬼)




( Mathematical softwares used: gnuplot, UDAV )

Thursday, January 26, 2012