llsqe3 - tpcclib 0.7.9 © 2022 by Turku PET Centre

Linear fitting of sum of three exponentials function
  f(x) = p1*exp(p2*x) + p3*exp(p4*x) + p5*exp(p6*x) + p7*exp(p8*x)
, where p8=0, to time-activity curves.
 
Usage: llsqe3 [options] TAC results
 
Options:
 -svg=<Filename>
     Fitted and measured TACs are plotted in specified SVG file.
 -fit=<Filename>
     Fitted regional TTACs are written in specified file.
 -lp=<Filename>
     Parameters of initial linear model are saved in specified file.
 -h, --help
     Display usage information on standard output and exit.
 -v, --version
     Display version and compile information on standard output and exit.
 -d[n], --debug[=n], --verbose[=n]
     Set the level (n) of debugging messages and listings.
 -q, --quiet
     Suppress displaying normal results on standard output.
 -s, --silent
     Suppress displaying anything except errors.
 
See also: fit_exp, fit_dexp
 
Keywords: TAC, modelling, compartmental model, LLSQ