# set terminal pngcairo transparent enhanced fontscale 1.0 size 600, 400 # set output 'fit.8.png' set key bmargin center horizontal Right noreverse enhanced autotitle nobox set title "the scattered points, fitted curve" set fit nologfile brief errorvariables nocovariancevariables errorscaling noprescale nowrap v5 l(x) = y0 + m*x high(x) = mh*(x-Tc) + dens_Tc lowlin(x) = ml*(x-Tc) + dens_Tc curve(x) = b*tanh(g*(Tc-x)) density(x) = x < Tc ? curve(x)+lowlin(x) : high(x) h(x,y) = sqrt(r*r - (abs(x-x0))**2.2 - (abs(y-y0))**1.8) + z0 NO_ANIMATION = 1 myencoding = "utf8" y0 = 0.2 m = -0.000943519626924529 FIT_CONVERGED = 1 FIT_NDF = 245 FIT_STDFIT = 0.0180887832081898 FIT_WSSR = 0.0801649990984576 FIT_P = 1.0 FIT_NITER = 50 y0_err = 0.000473544839270016 m_err = 3.15383626024729e-05 FIT_ERROR = 0 FIT_COV_y0_y0 = 2.20240170189915e-06 FIT_COV_m_y0 = -4.67890413749725e-08 FIT_COV_y0_m = -4.67890413749725e-08 FIT_COV_m_m = 9.9466831564506e-10 ml = -0.00103152542276233 mh = -0.0008340717673769 dens_Tc = 1.02499621370905 Tc = 46.0665367045608 g = 6.92493866108287 b = 0.00139548391000006 ml_err = 1.62623230565094e-05 mh_err = 3.737890801507e-06 dens_Tc_err = 7.27819513635249e-06 Tc_err = 0.00159887430059728 g_err = 0.429342070879149 b_err = 5.81804522574664e-05 r = 0.5 x0 = 0.1 z0 = 0.3 r_err = 0.000364063036707612 x0_err = 0.000392881045250799 z0_err = 0.00152588271580421 ## Last fit command: "fit h(x,y) 'hemisphr.dat' using 1:2:3 via r, x0, y0, z0" ## Last datafile plotted: "hemisphr.dat" splot 'hemisphr.dat' using 1:2:3, h(x,y)