No changes between revisions
/Designs/Tools/reflow02A/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/reflow02A/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/reflow02A/DOC/calibration/temperature.png
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/Designs/Tools/reflow02A/DOC/calibration/calibration_data.txt
0,0 → 1,22
temperature ADCvalue
12 459
57 518
76 547
89 567
110 601
152 661
179 703
197 730
220 774
210 748
180 701
160 670
150 655
130 625
120 611
100 583
55 518
50 512
40 499
35 491
30 484