61400e27-650d-4fc3-9856-2e3cecd28622 9 15 12 decimal

&[DATE] &[TIME] - &[FILENAME]

β 0.0009996 12.4435128 228.3303460 1.7276022 41 mat :

data char size clr plot k 1 data rows range r3 k el char : r4 k el size : r5 k el clr : 13 mat for data r3 r4 r5 augment 21 line :

eit90 259.3467 - 0.0011907 248.5939 - 0.00844974 218.7916 - 0.09171804 189.3442 - 0.21585975 38.8344 - 0.84414211 0.01 1.0000000 29.7646 1.11813889 156.5985 1.60980185 231.928 1.89279768 419.527 2.56891730 660.323 3.37600860 961.78 4.28642053 122 mat :

Design a discrete function inverser  in the [L,H,N] f L H N Inverse dx H L - N / : i 1 N range ω i el L dx - (dx i * + : for j 1 ω rows range sol j el x f ω j el - 0 ≡ x roots : for ω sol 1 round vectorize augment 51 line :

Pt100 XFR x f β 1 el β 2 el 1 β 4 el β 3 el β 4 el - (/ x 259.3467 + (- β 4 el β 2 el * / exp * + β 3 el β 3 el β 4 el - (/ x 259.3467 + (- β 3 el β 2 el * / exp * - (* + :

x f 0.84414211 - 0 ≡ x roots 38.421 -

Sol f 0.0011907 4.5 1200 Inverse :

XY eit90 2 col eit90 1 col augment :

data XY o 5 black plot :

data Sol 2 1 sys

Sol 0.0011907 258 - 0.00493971 252.8 - 0.00868872 250 - 0.01243772 247.8 - 0.01618673 245.9 - 0.01993574 244.1 - 0.02368475 242.5 - 0.02743375 240.9 - 0.03118276 239.5 - 0.03493177 238.1 - 0.03868078 236.7 - 0.04242979 235.4 - 0.04617879 234.2 - 0.0499278 232.9 - 0.05367681 231.7 - 0.05742582 230.5 - 0.06117482 229.4 - 172 mat