Commit 2adbacb3 authored by Marc Wolf's avatar Marc Wolf

initial results 1Hz/s sweep

parent b71cac8a
(seti) marc@gamma2:~/tmp> gnuplot
G N U P L O T
Version 5.2 patchlevel 2 last modified 2017-11-15
Copyright (C) 1986-1993, 1998, 2004, 2007-2017
Thomas Williams, Colin Kelley and many others
gnuplot home: http://www.gnuplot.info
faq, bugs, etc: type "help FAQ"
immediate help: type "help" (plot window: hit 'h')
Terminal type is now 'qt'
gnuplot> plot "spikes.dat" using 3:4 with lines
gnuplot> plot "spikes.dat" using 3:4 with linespoints
gnuplot> plot "spikes.dat" using ($3-2.45699e6):($4/1e9) with linespoints
gnuplot> plot "spikes.dat" using ($3-2.45699e6):($4/1e9) with linespoints
gnuplot>
gnuplot> plot "spikes.dat" using (($3-2456992.3882765)*86400):($4/1e9) with linespoints
gnuplot> plot "spikes.dat" using (($3-2456992.3882765)*86400):($4/1e9) with linespoints
gnuplot> f(x)=a+b*x
gnuplot> fit f(x) "spikes.dat" using (($3-2456992.3882765)*86400):($4/1e9) via a,b
iter chisq delta/lim lambda a b
0 8.2090709337e+04 0.00e+00 3.73e+01 1.000000e+00 1.000000e+00
1 2.3471250618e+01 -3.50e+08 3.73e+00 9.862457e-01 2.344323e-02
2 5.9684797819e-01 -3.83e+06 3.73e-01 1.137641e+00 4.671437e-03
3 2.0094532099e-04 -2.97e+08 3.73e-02 1.415923e+00 8.566355e-05
4 7.0184075650e-12 -2.86e+12 3.73e-03 1.421124e+00 1.410349e-08
5 3.6951405631e-16 -1.90e+09 3.73e-04 1.421125e+00 -1.905864e-09
6 3.6951403322e-16 -6.25e-03 3.73e-05 1.421125e+00 -1.905894e-09
iter chisq delta/lim lambda a b
After 6 iterations the fit converged.
final sum of squares of residuals : 3.69514e-16
rel. change during last iteration : -6.24915e-08
degrees of freedom (FIT_NDF) : 28
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 3.63276e-09
variance of residuals (reduced chisquare) = WSSR/ndf : 1.31969e-17
Final set of parameters Asymptotic Standard Error
======================= ==========================
a = 1.42113 +/- 1.333e-09 (9.38e-08%)
b = -1.90589e-09 +/- 2.531e-11 (1.328%)
correlation matrix of the fit parameters:
a b
a 1.000
b -0.867 1.000
gnuplot> plot "spikes.dat" using (($3-2456992.3882765)*86400):($4/1e9) with linespoints,f(x)
gnuplot> fit [20:*] f(x) "spikes.dat" using (($3-2456992.3882765)*86400):($4/1e9) via a,b
iter chisq delta/lim lambda a b
0 6.7548417430e-17 0.00e+00 1.00e+00 1.421125e+00 -1.905894e-09
1 6.4574072146e-17 -4.61e+03 1.00e-01 1.421125e+00 -1.905894e-09
2 6.4572725059e-17 -2.09e+00 1.00e-02 1.421125e+00 -1.905894e-09
3 6.4572725059e-17 -1.19e-07 1.00e-03 1.421125e+00 -1.905894e-09
iter chisq delta/lim lambda a b
After 3 iterations the fit converged.
final sum of squares of residuals : 6.45727e-17
rel. change during last iteration : -1.18501e-12
degrees of freedom (FIT_NDF) : 21
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 1.75354e-09
variance of residuals (reduced chisquare) = WSSR/ndf : 3.07489e-18
Final set of parameters Asymptotic Standard Error
======================= ==========================
a = 1.42113 +/- 1.261e-09 (8.875e-08%)
b = -1.90589e-09 +/- 2.103e-11 (1.104%)
correlation matrix of the fit parameters:
a b
a 1.000
b -0.957 1.000
gnuplot>
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