Svar Övning 9.2.1
SamverkanFlervariabelanalysLIU
(Skillnad mellan versioner)
(En mellanliggande version visas inte.) | |||
Rad 2: | Rad 2: | ||
<math> | <math> | ||
\begin{pmatrix} | \begin{pmatrix} | ||
- | + | 2x_1 & 2x_2\\ | |
- | (1+ | + | (1+x_1x_2)e^{x_1x_2} & x_1^2e^{x_1x_2} |
\end{pmatrix} | \end{pmatrix} | ||
</math> | </math> | ||
Rad 13: | Rad 13: | ||
0 & 1 & 4 \\ | 0 & 1 & 4 \\ | ||
1 & 2 & -1 | 1 & 2 & -1 | ||
+ | \end{pmatrix} | ||
+ | </math> | ||
+ | |||
+ | c) | ||
+ | <math> | ||
+ | \begin{pmatrix} | ||
+ | 5 & \cos x_2 \\ | ||
+ | x_2(1+\tan^2 x_1) & \tan x_1 \\ | ||
+ | \arctan x_2 & \frac{x_1}{1+x_2^2} | ||
\end{pmatrix} | \end{pmatrix} | ||
</math> | </math> |
Nuvarande version
a) \displaystyle \begin{pmatrix} 2x_1 & 2x_2\\ (1+x_1x_2)e^{x_1x_2} & x_1^2e^{x_1x_2} \end{pmatrix}
b) \displaystyle \begin{pmatrix} 5 & 2 & 0\\ 0 & 1 & 4 \\ 1 & 2 & -1 \end{pmatrix}
c) \displaystyle \begin{pmatrix} 5 & \cos x_2 \\ x_2(1+\tan^2 x_1) & \tan x_1 \\ \arctan x_2 & \frac{x_1}{1+x_2^2} \end{pmatrix}