/Designs/Laboratory_instruments/High_voltage_power_supply/DATA/fit.log
90,3 → 90,95
k q
k 1.000
q -0.979 1.000
 
 
*******************************************************************************
Sat Sep 28 13:10:43 2013
 
 
FIT: data read from "prevod.txt" using 1:2
format = x:z
#datapoints = 54
residuals are weighted equally (unit weight)
 
function used for fitting: f(x)
fitted parameters initialized with current variable values
 
 
 
Iteration 0
WSSR : 2.22513e+06 delta(WSSR)/WSSR : 0
delta(WSSR) : 0 limit for stopping : 1e-05
lambda : 331.595
 
initial set of free parameter values
 
k = 1
q = 1
 
After 6 iterations the fit converged.
final sum of squares of residuals : 28507.5
rel. change during last iteration : -2.96705e-13
 
degrees of freedom (FIT_NDF) : 52
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 23.4141
variance of residuals (reduced chisquare) = WSSR/ndf : 548.221
 
Final set of parameters Asymptotic Standard Error
======================= ==========================
 
k = 0.318574 +/- 0.01093 (3.429%)
q = 216.846 +/- 5.123 (2.363%)
 
 
correlation matrix of the fit parameters:
 
k q
k 1.000
q -0.783 1.000
 
 
*******************************************************************************
Sat Sep 28 13:12:08 2013
 
 
FIT: data read from "prevod.txt" using 1:2
format = x:z
#datapoints = 54
residuals are weighted equally (unit weight)
 
function used for fitting: f(x)
fitted parameters initialized with current variable values
 
 
 
Iteration 0
WSSR : 2.19293e+06 delta(WSSR)/WSSR : 0
delta(WSSR) : 0 limit for stopping : 1e-05
lambda : 331.595
 
initial set of free parameter values
 
k = 1
q = 1
 
After 6 iterations the fit converged.
final sum of squares of residuals : 28.4829
rel. change during last iteration : -3.15335e-10
 
degrees of freedom (FIT_NDF) : 52
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 0.7401
variance of residuals (reduced chisquare) = WSSR/ndf : 0.547748
 
Final set of parameters Asymptotic Standard Error
======================= ==========================
 
k = 0.316142 +/- 0.0003453 (0.1092%)
q = 223.294 +/- 0.1619 (0.07252%)
 
 
correlation matrix of the fit parameters:
 
k q
k 1.000
q -0.783 1.000
/Designs/Laboratory_instruments/High_voltage_power_supply/DATA/linearita.png
Cannot display: file marked as a binary type.
svn:mime-type = application/octet-stream
/Designs/Laboratory_instruments/High_voltage_power_supply/DATA/plot.gp
3,6 → 3,6
 
f(x)=k*x + q
 
fit f(x) "mereni_rozsahu.txt" using 1:2 via k, q
fit f(x) "prevod.txt" using 1:2 via k, q
 
plot "mereni_rozsahu.txt" using 1:2 with points, f(x)
plot "prevod.txt" using 1:2 with points, f(x)
/Designs/Laboratory_instruments/High_voltage_power_supply/DATA/prevod.txt
28,9 → 28,9
270 308
280 312
290 315
300 218
330 227
360 237
300 318
330 327
360 337
390 346
420 356
450 365