4acaff6d-c1e5-4c2c-bbea-9b9946880d77 14 ФГБОУ ВО "НИУ "МЭИ" Alvaro Diaz Falconi 4 5 false false 0 0 decimal

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

R 6.37 :

X 147.084404 - 157.821546 - 168.362790 - 178.733114 - 188.952756 - 199.038376 - 209.003876 - 71 mat :

Y 27.666198 31.712514 35.719550 39.690381 43.627793 47.534292 51.412127 71 mat :

A x * b ≡

A X 2^vectorize 2 X * Y * vectorize Y 2^vectorize 2 X * vectorize 2 Y * vectorize augment : 216308139 - 765.4 294.2 - 55.33 2491010010 - 1006 315.6 - 63.43 2835012030 - 1276 336.7 - 71.44 3195014190 - 1575 357.5 - 79.38 3570016490 - 1903 377.9 - 87.26 3962018920 - 2260 398.1 - 95.07 4368021490 - 2643 418.0 - 102.8 75 mat

a R :

b a - a - a - a - a - a - a - 71 mat : 6.37 - 6.37 - 6.37 - 6.37 - 6.37 - 6.37 - 6.37 - 71 mat

M Rank S M dn_LinAlgSVD 1 el : S 0 ≠ vectorize sum 21 line :

A Rank 5

A b augment Rank 6

M 0111 - 000001001 - 10000010000055 mat :

Wrong M rank 4

Ok M Rank 3

a.x2 a.xy a.y2 a.x a.y 51 mat A b dn_LinAlgLLS_SVD : 0.0097 - 0.0134 - 0.0077 - 0.286 - 0.3022 51 mat

x y f a.x2 x 2^* 2 a.xy * x * y * + a.y2 y 2^* + 2 a.x * x * + 2 a.y * y * + a + :

x 2 ^ y 2 ^ + R 2 ^ - X Y o 3 red augment x y f 3 1 sys