Name Last modified Size Description
Parent Directory -
CAT00000.GIF 1997-03-08 00:00 23K
CAT00001.GIF 1997-03-08 00:00 26K
CAT00002.GIF 1997-03-08 00:00 22K
CAT00003.GIF 1997-03-08 00:00 23K
CAT00004.GIF 1997-03-08 00:00 6.5K
CHKLIST.MS 1998-03-03 00:00 27
IAIQBQLO.GIF 1997-02-09 00:00 17K
IAIQGACY.GIF 1997-02-09 00:00 14K
IAPNMCBK.GIF 1997-02-09 00:00 14K
IARKAJGK.GIF 1997-02-09 00:00 26K
IASECPGR.GIF 1997-02-09 00:00 28K
IBDJGMBW.GIF 1997-02-09 00:00 11K
IBHEMINN.GIF 1997-02-09 00:00 19K
IBHIRDOP.GIF 1997-02-09 00:00 11K
IBJCHDVP.GIF 1997-02-09 00:00 21K
IBPGWBCX.GIF 1997-02-09 00:00 14K
IBYNPYET.GIF 1997-02-09 00:00 12K
ICBBGQAU.GIF 1997-02-09 00:00 6.2K
ICMHEYMJ.GIF 1997-02-09 00:00 8.8K
IDDMBQWX.GIF 1997-02-09 00:00 9.3K
IDHGEUCU.GIF 1997-02-09 00:00 8.8K
IDHGRETY.GIF 1997-02-09 00:00 28K
IDKPJOFD.GIF 1997-02-09 00:00 19K
IDYSTBUU.GIF 1997-02-09 00:00 27K
IEHFPEWT.GIF 1997-02-09 00:00 20K
IEKJTNEF.GIF 1997-02-09 00:00 16K
IEMFGLHL.GIF 1997-02-09 00:00 19K
IEMVBAHY.GIF 1997-02-10 00:00 13K
IFJACLJS.GIF 1997-02-09 00:00 6.3K
IFKNLPBH.GIF 1997-02-09 00:00 10K
IFSDEGGO.GIF 1997-02-10 00:00 25K
IHQKCENW.GIF 1997-02-09 00:00 19K
IIDFAXFJ.GIF 1997-02-09 00:00 7.1K
IIJMUAYW.GIF 1997-02-09 00:00 21K
IIKQOAGT.GIF 1997-02-09 00:00 15K
IJJHFPOM.GIF 1997-02-09 00:00 31K
IJLJAWMG.GIF 1997-02-09 00:00 11K
IJOSHOEC.GIF 1997-02-09 00:00 17K
IJPKJLES.GIF 1997-02-09 00:00 14K
IKURFUAI.GIF 1997-02-09 00:00 15K
ILGIIGCY.GIF 1997-02-09 00:00 14K
ILKGOHPY.GIF 1997-02-09 00:00 21K
IOWPBAKL.GIF 1997-02-09 00:00 4.6K
IPDSUXTP.GIF 1997-02-09 00:00 14K
IPFNRQDU.GIF 1997-02-09 00:00 24K
IPFVCSWA.GIF 1997-02-09 00:00 10K
IPLGTEBX.GIF 1997-02-09 00:00 20K
IPLPCAAK.GIF 1997-02-09 00:00 5.2K
IPMFYRDA.GIF 1997-02-09 00:00 10K
IPNSWBCN.GIF 1997-02-09 00:00 13K
IQIRSEEN.GIF 1997-02-09 00:00 14K
IQNPXJOS.GIF 1997-02-09 00:00 9.5K
IRENUXKH.GIF 1997-02-09 00:00 15K
IRJLJXTB.GIF 1997-02-09 00:00 7.0K
IRMQMXSS.GIF 1997-02-09 00:00 6.2K
ISYNLSHL.GIF 1997-02-09 00:00 13K
ITHXSGMH.GIF 1997-02-09 00:00 6.4K
ITIORPCA.GIF 1997-02-09 00:00 7.4K
ITJFUYNE.GIF 1997-02-09 00:00 22K
ITKTULQD.GIF 1997-02-09 00:00 18K
ITNRNHJM.GIF 1997-02-09 00:00 8.0K
IUKMQEFN.GIF 1997-02-09 00:00 22K
IVDMXCEP.GIF 1997-02-10 00:00 36K
IVEMLSWH.GIF 1997-02-09 00:00 12K
IWAJYRCV.GIF 1997-02-09 00:00 22K
IWGNVFFL.GIF 1997-02-09 00:00 23K
IWHKSPKD.GIF 1997-02-10 00:00 12K
IWHNJWNG.GIF 1997-02-09 00:00 16K
IWLNVOFW.GIF 1997-02-09 00:00 9.1K
IWNMHWEG.GIF 1997-02-09 00:00 21K
IXXIYRGB.GIF 1997-02-09 00:00 15K
IYFPNKQA.GIF 1997-02-09 00:00 11K
IYKNOOJD.GIF 1997-02-09 00:00 19K
SYMM127.GIF 1997-08-11 00:00 19K
SYMMETRY.BAS 1997-12-23 00:00 6.8K
SYMMETRY.EXE 1997-02-10 00:00 63K
The images above are strange attractors produced by systems of 3-dimensional ordinary differential equations with quadratic nonlinearities. Following a suggestion by Arne Dehli Halvorsen, they are made symmetric with respect to cyclic interchanges of x, y, and z, so that they look identical when projected on the x-y, y-z, or z-x axes. They are displayed as anaglyphs which allow their three dimensional structure to be observed by viewing them with red-blue glasses. The 11-character code in the upper left corner of each image contains the coefficients required to replicate the image using a scheme described in the book Strange Attractors: Creating Patterns in Chaos. Also included is the Power BASIC source code SYMMETRY.BAS and DOS executable code SYMMETRY.EXE used to search for and display these images. See also a related technical note on symmetric chaotic flows. The images are copyrighted by J. C. Sprott. You may download them for your personal use. You may distribute them for non-commercial purposes, provided their source is acknowledged. Permission is required if you wish to use them for commercial purposes. You can also view them in slide show format.