home *** CD-ROM | disk | FTP | other *** search
/ L' Effet Pommier 3 / L'Effet Pommier - Volume 03.iso / Utils□□□ Divers 2 / MacCurveFit 1.2 / Functions / sigmoid < prev   
Text File  |  1995-06-09  |  39b  |  1 lines
  1. a*((exp(b*(x+c))-1)/(exp(b*(x+c))+1))+d