This is TeX, Version 3.14159 (MiKTeX 1.20e (Snapshot build 187)) (preloaded format=latex 2000.9.10)  8 OCT 2000 18:11
**ckdfl.m
(ckdfl.m
LaTeX2e <1999/12/01> patch level 1
Babel <v3.6z> and hyphenation patterns for american, french, german, ngerman, n
ohyphenation, loaded.

! LaTeX Error: Missing \begin{document}.

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 ...                                      
                                          
l.1 f
     unction  [K1,K2,K3]=ckdfl(x,xl,a,alph,bet,gam,delt)
? x
No pages of output.