home *** CD-ROM | disk | FTP | other *** search
/ CD ROM Paradise Collection 4 / CD ROM Paradise Collection 4 1995 Nov.iso / science / sm32a.zip / DIFF.SM < prev    next >
Text File  |  1993-10-10  |  226b  |  8 lines

  1. #    This is demo for diff(f(x), x=x0)
  2.  
  3. diff(ln(x), x=0)        # derivative at x=0 is discont
  4. diff(ln(x), x=0+zero)        # right-sided derivative at x=0
  5. diff(ln(x), x=0-zero)        # left-sided derivative at x=0
  6. ln'(0+zero)
  7. ln'(0-zero)
  8.