Svar Övning 6.1.3
SamverkanFlervariabelanalysLIU
(Skillnad mellan versioner)
Rad 8: | Rad 8: | ||
<math>f_{x_{2}}=2x_{2}</math>, | <math>f_{x_{2}}=2x_{2}</math>, | ||
<math>f_{x_{3}}=2x_{3}</math> | <math>f_{x_{3}}=2x_{3}</math> | ||
+ | |||
+ | c) | ||
+ | <math>f_{x_{1}}=\frac{1}{1+|\mathbf{x}|}\; \frac{x_{1}}{|\mathbf{x}|}</math>, | ||
+ | <math>f_{x_{2}}=\frac{1}{1+|\mathbf{x}|}\; \frac{x_{2}}{|\mathbf{x}|}</math>, | ||
+ | <math>f_{x_{3}}=\frac{1}{1+|\mathbf{x}|}\; \frac{x_{3}}{|\mathbf{x}|}</math> |
Nuvarande version
a) \displaystyle f_{x_{1}}=\frac{x_{1}}{|\mathbf{x}|}, \displaystyle f_{x_{2}}=\frac{x_{2}}{|\mathbf{x}|}, \displaystyle f_{x_{3}}=\frac{x_{3}}{|\mathbf{x}|}
b) \displaystyle f_{x_{1}}=2x_{1}, \displaystyle f_{x_{2}}=2x_{2}, \displaystyle f_{x_{3}}=2x_{3}
c) \displaystyle f_{x_{1}}=\frac{1}{1+|\mathbf{x}|}\; \frac{x_{1}}{|\mathbf{x}|}, \displaystyle f_{x_{2}}=\frac{1}{1+|\mathbf{x}|}\; \frac{x_{2}}{|\mathbf{x}|}, \displaystyle f_{x_{3}}=\frac{1}{1+|\mathbf{x}|}\; \frac{x_{3}}{|\mathbf{x}|}