09ba4279-0bde-4476-aec1-0caceb179010 28 Reg Curry 4 5 false false 0 0 decimal

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

CLIMATE CHANGE SMATH WORKSHEET

Data2 WORLD EMISSION DATA VS DATE.xlsx Sheet 2 A2:C173 importData.XLSX :

Data2 1850.00 1.97 108^* 2.62 109^* 1851.00 1.99 108^* 2.71 109^* 1852.00 2.08 108^* 2.76 109^* 1853.00 2.17 108^* 2.83 109^* 1854.00 2.55 108^* 2.89 109^* 1855.00 2.60 108^* 2.90 109^* 1856.00 2.77 108^* 2.95 109^* 73 mat

Date Data2 1 col :

Emission 109 -^Data2 3 col * :

x f c a e b x *^* + :

x u f a b c 13 mat u 1 el u 2 el u 3 el 13 mat : x f vectorize 21 line :

DATA Date Emission augment :

u Check Date u f Emission - norme :

abc.al 0 0.015 1.5 31 mat u φ Date u f Emission - : al_nleqsolve : 1.43 1013 -^* 0.0165 1.5 31 mat

abc.al Check 22.6

abc.Maxima a b c 31 mat DATA x y 21 sys y c a e b x *^* + ≡ a b c 31 sys 0 0.0001 5 - 31 mat Fit at : 0.0006 0.0054 4.9995 - 31 mat

abc.Maxima Check 87.6

abc.Mathcad 4.9939 1014 -^* 1.7038 102 -^* 2.6749 101 -^* - 31 mat :

abc.Mathcad Check 13.9

Date Emission augment x abc.al f x abc.Maxima f x abc.Mathcad f 4 1 sys