It's "Not A Number". It can occur when you have a division by zero, a difference between two infinite numbers, ...
Matthieu 2007/12/10, Jean-Luc Régnier <[EMAIL PROTECTED]>: > > Hello, > I switched from numarray to numpy and I have now some "NaN" > in my matrix. What that means ? > None a numeric ? > regards > > > > > Jean-Luc REGNIER > ACR Mimarlik Ltd. Sti > Savas Cad. 26/B Sirinyali > ANTALYA, TURKEY > Tel. & Fax: 0090-(0).242.316.08.09 > GSM: 0090-0.532.303.36.21 > http://www.acrmim.com > > > ------------------------------ > Ne gardez plus qu'une seule adresse mail ! Copiez vos > mails<http://fr.rd.yahoo.com/mail/mail_taglines/trueswitch/*http://www.trueswitch.com/yahoo-fr/>vers > Yahoo! Mail > > > _______________________________________________ > Numpy-discussion mailing list > Numpy-discussion@scipy.org > http://projects.scipy.org/mailman/listinfo/numpy-discussion > > -- French PhD student Website : http://miles.developpez.com/ Blogs : http://matt.eifelle.com and http://blog.developpez.com/?blog=92 LinkedIn : http://www.linkedin.com/in/matthieubrucher
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