No changes between revisions
/Designs/Tools/reflow2/DOC/calibration/fit.log
0,0 → 1,474
 
 
*******************************************************************************
Mon Apr 18 10:07:44 2011
 
 
FIT: data read from "calibration_data.txt" using 2:1
format = x:z
#datapoints = 21
residuals are weighted equally (unit weight)
 
function used for fitting: f(x)
fitted parameters initialized with current variable values
 
 
 
*******************************************************************************
Mon Apr 18 10:07:56 2011
 
 
FIT: data read from "calibration_data.txt" using 2:1
format = x:z
#datapoints = 21
residuals are weighted equally (unit weight)
 
function used for fitting: f(x)
fitted parameters initialized with current variable values
 
 
 
Iteration 0
WSSR : 5.09698e+06 delta(WSSR)/WSSR : 0
delta(WSSR) : 0 limit for stopping : 1e-05
lambda : 431.263
 
initial set of free parameter values
 
k = 1
q = 1
 
After 7 iterations the fit converged.
final sum of squares of residuals : 121.522
rel. change during last iteration : -5.14772e-13
 
degrees of freedom (FIT_NDF) : 19
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 2.52901
variance of residuals (reduced chisquare) = WSSR/ndf : 6.3959
 
Final set of parameters Asymptotic Standard Error
======================= ==========================
 
k = 0.674201 +/- 0.005913 (0.877%)
q = -294.35 +/- 3.606 (1.225%)
 
 
correlation matrix of the fit parameters:
 
k q
k 1.000
q -0.988 1.000
 
 
*******************************************************************************
Mon Apr 18 10:11:53 2011
 
 
FIT: data read from "calibration_data.txt" using 2:1
format = x:z
#datapoints = 21
residuals are weighted equally (unit weight)
 
function used for fitting: f(x)
fitted parameters initialized with current variable values
 
 
 
Iteration 0
WSSR : 5.09698e+06 delta(WSSR)/WSSR : 0
delta(WSSR) : 0 limit for stopping : 1e-05
lambda : 431.263
 
initial set of free parameter values
 
k = 1
q = 1
 
After 7 iterations the fit converged.
final sum of squares of residuals : 121.522
rel. change during last iteration : -5.14772e-13
 
degrees of freedom (FIT_NDF) : 19
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 2.52901
variance of residuals (reduced chisquare) = WSSR/ndf : 6.3959
 
Final set of parameters Asymptotic Standard Error
======================= ==========================
 
k = 0.674201 +/- 0.005913 (0.877%)
q = -294.35 +/- 3.606 (1.225%)
 
 
correlation matrix of the fit parameters:
 
k q
k 1.000
q -0.988 1.000
 
 
*******************************************************************************
Mon Apr 18 10:15:14 2011
 
 
FIT: data read from "calibration_data.txt" using 2:1
format = x:z
#datapoints = 21
residuals are weighted equally (unit weight)
 
function used for fitting: f(x)
fitted parameters initialized with current variable values
 
 
 
Iteration 0
WSSR : 5.09698e+06 delta(WSSR)/WSSR : 0
delta(WSSR) : 0 limit for stopping : 1e-05
lambda : 431.263
 
initial set of free parameter values
 
k = 1
q = 1
 
After 7 iterations the fit converged.
final sum of squares of residuals : 121.522
rel. change during last iteration : -5.14772e-13
 
degrees of freedom (FIT_NDF) : 19
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 2.52901
variance of residuals (reduced chisquare) = WSSR/ndf : 6.3959
 
Final set of parameters Asymptotic Standard Error
======================= ==========================
 
k = 0.674201 +/- 0.005913 (0.877%)
q = -294.35 +/- 3.606 (1.225%)
 
 
correlation matrix of the fit parameters:
 
k q
k 1.000
q -0.988 1.000
 
 
*******************************************************************************
Mon Apr 18 10:16:19 2011
 
 
FIT: data read from "calibration_data.txt" using 2:1
format = x:z
#datapoints = 21
residuals are weighted equally (unit weight)
 
function used for fitting: f(x)
fitted parameters initialized with current variable values
 
 
 
Iteration 0
WSSR : 5.09698e+06 delta(WSSR)/WSSR : 0
delta(WSSR) : 0 limit for stopping : 1e-05
lambda : 431.263
 
initial set of free parameter values
 
k = 1
q = 1
 
After 7 iterations the fit converged.
final sum of squares of residuals : 121.522
rel. change during last iteration : -5.14772e-13
 
degrees of freedom (FIT_NDF) : 19
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 2.52901
variance of residuals (reduced chisquare) = WSSR/ndf : 6.3959
 
Final set of parameters Asymptotic Standard Error
======================= ==========================
 
k = 0.674201 +/- 0.005913 (0.877%)
q = -294.35 +/- 3.606 (1.225%)
 
 
correlation matrix of the fit parameters:
 
k q
k 1.000
q -0.988 1.000
 
 
*******************************************************************************
Mon Apr 18 10:16:42 2011
 
 
FIT: data read from "calibration_data.txt" using 2:1
format = x:z
#datapoints = 21
residuals are weighted equally (unit weight)
 
function used for fitting: f(x)
fitted parameters initialized with current variable values
 
 
 
Iteration 0
WSSR : 5.09698e+06 delta(WSSR)/WSSR : 0
delta(WSSR) : 0 limit for stopping : 1e-05
lambda : 431.263
 
initial set of free parameter values
 
k = 1
q = 1
 
After 7 iterations the fit converged.
final sum of squares of residuals : 121.522
rel. change during last iteration : -5.14772e-13
 
degrees of freedom (FIT_NDF) : 19
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 2.52901
variance of residuals (reduced chisquare) = WSSR/ndf : 6.3959
 
Final set of parameters Asymptotic Standard Error
======================= ==========================
 
k = 0.674201 +/- 0.005913 (0.877%)
q = -294.35 +/- 3.606 (1.225%)
 
 
correlation matrix of the fit parameters:
 
k q
k 1.000
q -0.988 1.000
 
 
*******************************************************************************
Mon Apr 18 10:22:51 2011
 
 
FIT: data read from "calibration_data.txt" using 2:1
format = x:z
#datapoints = 21
residuals are weighted equally (unit weight)
 
function used for fitting: f(x)
fitted parameters initialized with current variable values
 
 
 
Iteration 0
WSSR : 5.09698e+06 delta(WSSR)/WSSR : 0
delta(WSSR) : 0 limit for stopping : 1e-05
lambda : 431.263
 
initial set of free parameter values
 
k = 1
q = 1
 
After 7 iterations the fit converged.
final sum of squares of residuals : 121.522
rel. change during last iteration : -5.14772e-13
 
degrees of freedom (FIT_NDF) : 19
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 2.52901
variance of residuals (reduced chisquare) = WSSR/ndf : 6.3959
 
Final set of parameters Asymptotic Standard Error
======================= ==========================
 
k = 0.674201 +/- 0.005913 (0.877%)
q = -294.35 +/- 3.606 (1.225%)
 
 
correlation matrix of the fit parameters:
 
k q
k 1.000
q -0.988 1.000
 
 
*******************************************************************************
Mon Apr 18 10:23:12 2011
 
 
FIT: data read from "calibration_data.txt" using 2:1
format = x:z
#datapoints = 21
residuals are weighted equally (unit weight)
 
function used for fitting: f(x)
fitted parameters initialized with current variable values
 
 
 
Iteration 0
WSSR : 5.09698e+06 delta(WSSR)/WSSR : 0
delta(WSSR) : 0 limit for stopping : 1e-05
lambda : 431.263
 
initial set of free parameter values
 
k = 1
q = 1
 
After 7 iterations the fit converged.
final sum of squares of residuals : 121.522
rel. change during last iteration : -5.14772e-13
 
degrees of freedom (FIT_NDF) : 19
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 2.52901
variance of residuals (reduced chisquare) = WSSR/ndf : 6.3959
 
Final set of parameters Asymptotic Standard Error
======================= ==========================
 
k = 0.674201 +/- 0.005913 (0.877%)
q = -294.35 +/- 3.606 (1.225%)
 
 
correlation matrix of the fit parameters:
 
k q
k 1.000
q -0.988 1.000
 
 
*******************************************************************************
Mon Apr 18 10:24:14 2011
 
 
FIT: data read from "calibration_data.txt" using 2:1
format = x:z
#datapoints = 21
residuals are weighted equally (unit weight)
 
function used for fitting: f(x)
fitted parameters initialized with current variable values
 
 
 
Iteration 0
WSSR : 5.09698e+06 delta(WSSR)/WSSR : 0
delta(WSSR) : 0 limit for stopping : 1e-05
lambda : 431.263
 
initial set of free parameter values
 
k = 1
q = 1
 
After 7 iterations the fit converged.
final sum of squares of residuals : 121.522
rel. change during last iteration : -5.14772e-13
 
degrees of freedom (FIT_NDF) : 19
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 2.52901
variance of residuals (reduced chisquare) = WSSR/ndf : 6.3959
 
Final set of parameters Asymptotic Standard Error
======================= ==========================
 
k = 0.674201 +/- 0.005913 (0.877%)
q = -294.35 +/- 3.606 (1.225%)
 
 
correlation matrix of the fit parameters:
 
k q
k 1.000
q -0.988 1.000
 
 
*******************************************************************************
Mon Apr 18 10:24:37 2011
 
 
FIT: data read from "calibration_data.txt" using 2:1
format = x:z
#datapoints = 21
residuals are weighted equally (unit weight)
 
function used for fitting: f(x)
fitted parameters initialized with current variable values
 
 
 
Iteration 0
WSSR : 5.09698e+06 delta(WSSR)/WSSR : 0
delta(WSSR) : 0 limit for stopping : 1e-05
lambda : 431.263
 
initial set of free parameter values
 
k = 1
q = 1
 
After 7 iterations the fit converged.
final sum of squares of residuals : 121.522
rel. change during last iteration : -5.14772e-13
 
degrees of freedom (FIT_NDF) : 19
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 2.52901
variance of residuals (reduced chisquare) = WSSR/ndf : 6.3959
 
Final set of parameters Asymptotic Standard Error
======================= ==========================
 
k = 0.674201 +/- 0.005913 (0.877%)
q = -294.35 +/- 3.606 (1.225%)
 
 
correlation matrix of the fit parameters:
 
k q
k 1.000
q -0.988 1.000
 
 
*******************************************************************************
Mon Apr 18 10:25:11 2011
 
 
FIT: data read from "calibration_data.txt" using 2:1
format = x:z
#datapoints = 21
residuals are weighted equally (unit weight)
 
function used for fitting: f(x)
fitted parameters initialized with current variable values
 
 
 
Iteration 0
WSSR : 5.09698e+06 delta(WSSR)/WSSR : 0
delta(WSSR) : 0 limit for stopping : 1e-05
lambda : 431.263
 
initial set of free parameter values
 
k = 1
q = 1
 
After 7 iterations the fit converged.
final sum of squares of residuals : 121.522
rel. change during last iteration : -5.14772e-13
 
degrees of freedom (FIT_NDF) : 19
rms of residuals (FIT_STDFIT) = sqrt(WSSR/ndf) : 2.52901
variance of residuals (reduced chisquare) = WSSR/ndf : 6.3959
 
Final set of parameters Asymptotic Standard Error
======================= ==========================
 
k = 0.674201 +/- 0.005913 (0.877%)
q = -294.35 +/- 3.606 (1.225%)
 
 
correlation matrix of the fit parameters:
 
k q
k 1.000
q -0.988 1.000
/Designs/Tools/reflow2/DOC/calibration/plot.gp
0,0 → 1,17
set terminal png
set output "temperature.png"
 
set key under
set xlabel "ADC value [-]"
set ylabel "Temperature [°C]"
 
f(x)= k*x + q
fit f(x) "calibration_data.txt" using 2:1 via k,q
 
 
# from http://hw.cz/docs/mereni_teploty/mereni_teploty_1.html/
A=3.90802e-3
B=-5.802e-7
g(x)=(-A + sqrt(A*A - 4*B*(1.0 - 1.0*x*2350.0/1024.0/1000.0)))/2.0/B;
 
plot "calibration_data.txt" using 2:1 with points title "measured points", f(x) title "0.674201 * x - 294.35", g(x) title "original hw.cz"
/Designs/Tools/reflow2/DOC/calibration/temperature.png
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